Choose all that correctly give an equivalent expression using only positive exponents. x-2y2z-3 = y2 x2z3 x3y-2z4 = x3z4 y2 x-3 y-2z2 = y2 x3z2 x-5 y-4z-2 = y4z2 x5 x3y-4 z-6 = x3z6 y4

Which solid has two triangular bases and three lateral faces, each in the shape of a rectangle? triangular prism triangular pyramid rectangular prism rectangular pyramid

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

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.