Do me a favor and solve this for me

Plz ! what is the volume of this pyramid? with numbers of 30cm 14cm 18cm

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.

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in all?