Eric and Charlotte collected donations for the food bank. Charlotte collected 3 times
the amount of Eric's donations minus $20.
Eric and Charlotte combined their
donations and spent half of the money on
canned food. The rest of the money, $50,
was donated to the food bank directly.
How much money did each student
collect?

1. are the triangles similar and if so why? what is the value of x? show your work.

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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.