Which rules represent a transformation that maps one shape onto to another to establish their congruence? Select all that apply.
A. A dilation by a scale factor of 3 about the origin.

B. A translation to the right 2 and down 6.

C. A reflection across the line y = 2.

D. A counter-clockwise rotation of 90 degrees about the origin.

E. A horizontal wretch by a factor of 2 about the origin.

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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.

6cm10 cma conical paper cup has dimensions as shown in the diagram. how much water can the cup hold when full?