Is this equation true?
y^4 + y^5= y^9

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2