Answer:
-105
Step-by-step explanation:
a negative times a negative makes it positive so -15(7) which would just equal -105
I believe the answer is the last option
hope that helps, God bless!
What I believe they are asking is to find which of those is the simplified quadratic formula. The quadratic formula is -b (plus or minus) (√b²-4ac) all divided by 2a.
This formula works when the equation is set up as ax²+bx+c
Given trhat a car used 15 gallons of gasoline to cover 315 miles.
The expression that will be used to determine the unit rate of miles per gallon of gasoline is:

ANSWER: