Which of the following terms best describes a group of equations in which at least one equation is nonlinear, all of the equations have all the same variables, and all of the equations are used together to solve problem?

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.