Pj is decorating pupcakes for rocky’s birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pup cake. if pj decorated 60 cupcakes about how many can she expect to be purple?

2-digit numbers less than 91 which are 1 less than a multiple of 10

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

Given right triangle abc, what is the value of tan(a)?