PLEASE HELP I WILL MAKE YOU BRAINILESS -x-2y for x = -5 and y=5

please explain how you got answer

so I can understand it thanks

Graph the following piecewise function.

Atennis racket at sport city costs $180 and is discounted 15%. the same model racket costs $200 at tennis world and is on sale for 20% off. which store is offering the better deal? explain:

Craig university admits 3 out of every 7 students who apply. last year, 1,071 students applied. kiera used the following proportion to determine how many of these students were admitted. 3/7 = n/1,071 how can the solution be restated? a) last year, craig university admitted 51 students. b) last year, craig university admitted 357 students. c) last year, craig university admitted 153 students. d) last year, craig university admitted 459 students.