Amath teacher is trying to analyze her test grades. she surveys the students to find out how many minutes they studied. she then makes a scatterplot of time studying and test grades. what is the domain?

What is 32+4 x (16 x 1/2) -2 show your work}

When you answer this can you explain

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 =