What is 108 divided by 42 quick question :)

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.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

If chord ab is congruent to chord cd, then what must be true about ef and eg?