The sum of the roots of the equation (1/2)x^2-(5/4)x-3=0
a.5/2
b.2
c.1/2

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

Polygon mnopq is dilated by a scale factor of 0.8 with the origin as the center of dilation, resulting in the image m′n′o′p′q′. the coordinates of point m are (2, 4), and the coordinates of point n are (3, 5). the slope of is .