Margaret mixes red and blue paint to make purple. She finds the best ratio to get the shade of purple she wants is 2 quarts of red paint and 3 quarts of blue paint. Margaret needs a total of 45 quarts of purple paint. She begins a table to help organize the data. Margaret is not sure what to do next to find the number of quarts of red and blue paint she needs.

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Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.