John lives on the side of a mountain and the elevation of his residence is 1025 feet above sea level. his brother lives in a deep valley that is 25 feet below sea level. what is the difference in altitude of the locations occupied by the two brothers?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

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

Simplify the expression. -2/5(10+15m-20n)