The coordinates of the vertices of a quadrilateral are r(-1,3), s(3,3), t(5,-1), and u(-2,-1). find the perimeter of the quadrilateral. round to the nearest tenth.

Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2

Select the lengths in centimeters that would form a right triangle

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?