Please help me with this asap

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?