Angles ∝ and β are the two acute angles in a right triangle. use the relationship between sine and cosine to find the value of β if β > ∝. sin( x 2 + 20) = cos(2x - 25 2 )

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1