What is the measure of ∠B?

Enter the number of complex zeros for the polynomial function in the box. f(x) = x+ + 5x² +6

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

If a || b and e || f , what if the value of y ?