Each book costs 19 dollars.
{[12 ÷ 4] + [16 ÷ 8 (7 – 5)]} – 1.
{[3] + [2(2)]} – 1.
{[3] + [4]} – 1.
7-1
6
Answer:
Interval: (-3/2, ∞)
Explanation:
Let me double check.
The answer would be B.9