Answer:
9 hours
Step-by-step explanation:
Abe's charge = Gabe's charge
$130+($70/hr)h = $40+($80/hr)h
Then 130 + 70h = 40 + 80h, or
90 = 10h, or h = 90/10 = 9
When 9 hours have passed, the amount charged by each person will be temporarily equal.
Answer:
-4
Step-by-step explanation:
just add both of the sides then divide
3.14 x 9^2 x 14/3 = 1186.92
4/3 x 3.14 x 9^3 = 1526.04
1186.92 + 1526.04 = 2712.96 = 2713 cubic inches
Answer: A. 12.5
<u>Step-by-step explanation:</u>

Answer:
A
Step-by-step explanation:
Given
20 - || - 13 | + 17 |
Note the absolute value function always returns a positive value, that is
| - a | = | + a | = a, thus
= 20 - | | - 13 |+ 17 |
= 20 - | 13 + 17 |
= 20 - | 30 |
= 20 - 30
= - 10 → A