Consider the following expression and the simplified expression. Expression 3x? +5y2 +3 +4y2 +6 Şimplified Expression 9x2 - y2 +9 Which terms could be in the boxes to make the expressions equivalent? +6x2 and -6y2 +6x2 and -10y2 +9x2 and -10y? +9x2 and-by?

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

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.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]