There are 10 yellow, 6 green, 9 orange and 5 red cards in a stack of cards turned face down. Once a card is selected, it is not replaced. Find each probability: P(a yellow card and then a green card)

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b