Answer asap: danielle's wallet had $2.65 in change: all quarters, dimes and nickels. she had 3 times as many quarters as dimes and one more dime than nickels. how many of each coin did she have?
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Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?