I’m very confused with this geometry question, will someone help? Will mark brainliest.

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter