There are 56 runners in a race. how many ways can the runners finish first, second, and third?

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

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

What number line represents the solution set for the inequality -1/2 greater than or equal to 4