Acopy machine makes 60 copies per minute a second copy machine makes 80 copies per minute. the second machine starts making copies 2 minutes after
the first machine starts both machines stop making copies 8 minutes after the first machine started. together, the 2 machines made how many copies?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244