Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7
The van is traveling about 55.9 miles per hour.
Answer:
wait.. almost done...
Step-by-step explanation:
Answer:Bill
Step-by-step explanation:
Because Bill scored to the nearest 100
