Cutting to the chase, the answer is more than 1 kilometer, up to 1,715 meters. If the speed of sound is 343 meters per second then 343 * 5 = 1,715 meters every 5 seconds
70-30=40
40 divided by 8 = 5
x ≤ 5
she can buy at the most 5 T-shirts.
V = 12 × 2 × 3 = 72 cm3
Hope this helps!
Plug in -1 for x
h(-1) = 3(-1) + 4
h(-1) = -3 + 4
Solution: h(-1) = 1