Step-by-step explanation:
5(x + 7) = 15
x+7=3
x=-4!!!!!!
Answer:

Step-by-step explanation:

Answer:
vertex form automatically gives you your vertex and your y intercept so all you need to do is graph. Hope this helps
Step-by-step explanation:
answer is $5,824.98
Step-by-step explanation:
I am 90% sure
What can be used on this is the distance over time formula, so what you,do is divide 228 by 4 to get the distance traveled in one hour. And 288/4=57. So they traveled 57 mi in one hour. Hope this helped.