Question

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

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

Explanation:

Answer 2

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