From the set {0, 1, 11}, use substitution to determine which value of x makes the equation true.

23x + 27 = 50

A. 11

B. 0

C. 1

D. none of these

2. From the set {0, 1, 10}, use substitution to determine which value of x makes the equation true.

23x + 29 = 52

A. 10

B. 1

C. none of these

D. 0

3.

Add 5 and b. Then, multiply by 2.

Which of the following expressions matches the statement above?

A. 5 + b * 2

B. (5 + b) * 2

C. 5 * (2 + b)

D. b + 5 * 2

4. What is the absolute value of the number indicated on the number line below?

-20

-19

-18

-17

-16

-15

-14

-13

-12

-11

-10

-9

-8

A. - 18

B. 17

C. - 17

D. 18

Question

20 October, 17:27

+1

Answers (1)

Know the Answer?

Isis Levine · Answer 1

1) the answer is C: 1, 23 * (1) + 27 = 50

2) the answer is B: 1, 23 * (1) + 29 = 52

3) the answer is B. (5 + b) * 2

4) the question is not clear