What is the perimeter of this square?

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.

Is fgh ~ jkl? if so, identify the similarity postulate or theorem that applies.

What is the first step of an indirect proof of a number that is divisible by two