During free time yesterday, 7 preschoolers chose to draw, and 7 preschoolers chose to do other activities. Based on past data, if 20 preschoolers are at school today, how many should you expect to draw?

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 =

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.