Answer:
Step-by-step explanation:
2x²-13x+21+6x²+29x-5
=8x²+16x+16
Well we would need to see some type of graph in order to help you find the slope.
Y = kx
80 = 16k
k = 80/16 = 5
direct variation
The first 2 choices are corect
Answer:
1.68 hours
Step-by-step explanation: