Someone help and plz make sure the answer is right

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

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

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7