Find the value of the expression below. 8(15-4)/4^2-5

The deck that kenneth is building is in the shape of a parallelogram abcd the measure of angle c is one third the measure of angle b find the measure of each angle of the deck

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

If 25% of y is 30, what is 60% of y?