Math help please, soon if possible?

1. A number that has more than 2 factors is called

A) a prime number

B) a constant

C) a composite number

D) a coefficient

2. Write the prime factorization for each of the following numbers.

A. 160
B. 306

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3. Solve the following equations using the Addition or Subtraction Properties of Equality. Show your work to receive partial credit.

A. 193 + x = 256
B. x – 52 = 143
C. 623 = x – 71
D. y + 76 = 155

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4. Solve the following equations using the Multiplication or Division Properties of Equality. Show your work to receive partial credit.

A) 3m = 129

B) 22 = n/5 (N over 5)

C) W/11 (w over 11) = 16

D) 162 =27

______________

5. Find the greatest common factor (GCF) for each of the following sets of numbers:

A. 24 and 96
B. 3, 6, 9 and 18
C. 15, 20 and 40

______

6. A number that is written using powers of 10 is written in

A) standard form

B) combined terms

C) like terms

D) scientific notation

7. Letters that are used to represent values are called

A) constants

B) variables

C) coefficients

D) exponents

8. Use the Order of Operations to simplify the following expressions. Write your answers in the answer blanks below.

A) (10 – 3[2] + 3) + 6[2] – 23

B) 9[2] + 20 over 2[2] – 52

C) 18 + 15 over 3 + 7[2] – 2 x 3

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9. A number that is written in regular form is written in

A) standard form

B) combined terms

C) like terms

D) scientific notation

10. The number that is in front of the variable is called

A) the constant

B) the multiple

C) the coefficient

D) the power

11. The 3rd step in the Order of Operations is

A) Addition and Subtraction

B) Exponents

C) Multiplication and Division

C) Parentheses

12. Find the least common multiple (LCM) for the following sets of values:

A. 15, 30 and 66
B. 35 and 77

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13. Simplify the following exponent values and write your answers in the blank below.

A. 63
B. 29
C. 105

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14. In an expression, the number that does not have a variable is called

A) a prime number

B) a constant

C) a composite number

D) a coefficient

15. The Multiplication Property of Equality allows us to multiply each side of the equation by a number.

A) True
B) False

16. When writing the prime factorization of a number, a tool or method that can be used is

A) a factor tree

B) combining terms

C) substitution

D) grouping terms

If you don’t want to do it, don’t but don’t give me a hard time. I want to help my sister but I don’t know if I’ll be wrong.

1. C a composite number
2. A.160 = 2^4*5^2
B.306 = 2*3^2*17
3. A. 63
B. 195
C. 694
D. 79
4. A. 43
B. 110
C. 176
D. no question
5. A. 24
B. 3
C. 5
6. D. scientic notation
7. B. variables
8. A. (10 – 3(2) + 3) + 6(3) – 23)
(10 – 6 + 3) + 18 – 23
7 + 18 – 23
25 – 23 = 2
B. [5(2) + 20]/[2(2) - 52] = [10 + 20]/[4 - 52]
30 / -48 = -5/8
C. [18 + 15]/[3 + 7(2) - 2(3)] =
33/[3 + 14 - 6] = 33/[17 - 6] =
33/11 = 3
9. A. standard form
10. C. coefficient
11 C. mult and div
12. A. LCM = 660
B. LCM = 385
13. A. 63 = 3^2 *7
B. 29 is prime
C. 105 = 3*5*7
14. B. a constant
15. B. false, it should read…"by the same number."
16. A. factor tree