Acounter in marvin's kitchen is 4 feet wide and 10 feet long. marvin wants to replace the counter with a granite countertop, which would cost $15.24 per square foot. how much would the granite countertop cost?

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

The long jump record, in feet, at a particular school can be modeled by f(x) = 19.6 + 2.5ln(x + 1) where x is the number of years since records began to be kept at the school. what is the record for the long jump 11 years after record started being kept? round your answer to the nearest tenth.

How do you find principle and simple interest