Answer:
C. 15
Step-by-step explanation:
The following proportional can be set-up for the figure given:

Solve for x


Cross multiply


15 = 6x - 5x
15 = x
x = 15
Answer: x = 24
Step-by-step explanation:
9x - 18 = 7x + 30
9x - 7x = 30 + 18
2x = 48
x = 48/2 = 24
Answer:
Answer is n^4
Step-by-step explanation:
You add the exponent when they are multiplying and have the same base
Thé vertex of the graph of the following function f(x)=x2+8x-2 is (-4,-18).