Answer:
The answer is option 2.
Step-by-step explanation:
You have to substitute the expressions into x :
h(x) = x + 4
h(x - 3) = (x - 3) + 4
h(x - 3) = x - 3 + 4
h(x - 3) = x + 1
40/16 or 2.5 meters per second.... Sorry I'm probably way too late
Answer:
6
Step-by-step explanation:
if you do the ratio 9/12 and 3/x and cross multiply, x=6... I believe
Because