Solve by adding or subtracting : r/4 = 250 r = ?

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

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300