Answer:
-48r²-10r+3
Step-by-step explanation:
The answer would not be a negative 3 because -3×-1=3
Hope this helped!
7x = -36+10x
X=12
You minus the 10 from 7 (7-10=-3) (-36/-3) gives you 12
Since you are trying to figure out how many miles she can drive in 1 hour and you already have half of that hour, all you would need to do is double that number.

×

=

Now, all you would need to do is simplify the answer.

= 1

or 1.6
The answer would be, Suzy can drive 1

or 1.6 miles in 1 hour.
I hope this helps!
5x+7y=105
There are four variants are possible
1. You sold 15 adult tickets
2. You sold 7 student tickets and 10 adult tickets
3. You sold 14 student tickets and 5 adult tickets
4. You sold 21 student tickets.