Find the values for c and d that would make the following equation true. (-9y^c)(dy^7)=36y^9

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.