Question

question 13 (1 point)
7+(3×4 - 2)
a 17
b 23
c 12
d 0
question 14 (1 point)
(18 - 6)+2×3
a 1000
b 18
c 12
d 100
question 15 (1 point)
12+(2×5+7)
a 29
b 30
c 0
d 43

Explanation:

Question 13

Step1: Calculate inside parentheses

$3\times4 - 2=12 - 2=10$

Step2: Add the result to 7

$7+10 = 17$

Question 14

Step1: Calculate inside parentheses

$18 - 6=12$

Step2: Calculate multiplication

$2\times3 = 6$

Step3: Add the results

$12+6=18$

Question 15

Step1: Calculate inside parentheses

$2\times5+7=10 + 7=17$

Step2: Add the result to 12

$12+17=29$

Answer:

Question 13: A. 17
Question 14: B. 18
Question 15: A. 29