Complete the recursive formula of the arithmetic sequence -15, -11, -7, -

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.

Asalesperson has january sales of $20,000(1,$20,000) and april sales of $80,000 (4,$80,000). what is the rate of change?