49.5 is what percent of 33

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.

For what values of x is x2 + 2x = 24 true?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?