Answer:
It is C.
Step-by-step explanation:
Im finding it a bit difficult to put it into words - but you can picture it in your brain. It is a line. The plane is just touching the surface of the cones.
3 (x + 7) = 5x - 2
3x + 21 = 5x - 2
3x - 5x = -2 - 21
-2x = -23
x = -23/-2
x = 23/2
Answer:
imma have to get back to u on that one
You do 5.5x4=22, so you can drive 22 miles for every gallon of gas.