Answer:
b= 7
Step-by-step explanation:
3b +15 = 8b -20
-8b
-5b = -35
/-5
b= 7
Answer:

Step-by-step explanation:
Let

We can factor 6 to get:

This is the graph an absolute value function that opens upwards.
The vertex is at (0,9)
The range is

For m<9, the graph is always above the x-axis.
Therefore for m<9,

Answer:
h(t)=-16t^2+375t
Step-by-step explanation:
27 is the answer I believe