Answer:
85
Step-by-step explanation:
60+60+70+80+85 = 355
355/5 = 71
The answer to this question is not 36/25 but 6 1/10.
(-1,0), (0,3) and (2,2.25)
The qualitative graph is as follows:
A(-1,0) ------> B(0,3) ------> C(2,2.25)
Hence, slope = (2.25 - 0)/(2 - (-1)) = 2.25/3
∴ slope = 0.75