A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21ft/s. The ball's height h (in feet) after t seconds is given by the following. h=5+21t-16t^2
Find all values of t for which the ball's height is 11 feet.

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily