Find the length of the side DF (rounded to 2 decimal places) The measure of angle A is degrees

The length of the side DF is (2 decimal places)

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.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?