Uses both multiplication and addition to find the result

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.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

How do you write 600 as a product of its prime factors (index! )