Answer:
100 miles
Step-by-step explanation:
Create equations.
Company A: y = 0.28x + 50
Company B: y = 0.78x
These are equal to each other.
0.78x = 0.28x + 50
0.5x = 50
x = 100
The answer is A, 72
Line a and b
D,
the volume of a sphere is 4/3πr^3
5.5
I just added up the two numbers and then divided it by 2.
Hope This helps
