Recall that two angles are complementary if the sum of their measures is 90°. Find the measures of two complementary angles if one angle is nine times the other angle.

How many solutions does the system have?2y=4x+6 y=2x+6

Determine how triangles WVX and YZX can be shown to be similar.

Determine the best method to solve the system of equations. Then solve the system. 2x-5y=8 3x-11y=-2

Give the premimeter and area of a square with diagonal length of 12 inches

Find the coefficient of the squared term in the simplified form for the second derivative, f " (x) for f (x) = (x³ + 3x² + 3) (3x³ - 6x² - 8x + 1). Use the hyphen symbol, -, for negative values.

Lorenzo purchased 12 cookies. He gave of the cookies to Celine and gave of the remaining cookies to Petra. How many cookies did Petra receive?

The number 72 is between what two perfect squares? Enter a numerical answer only

A shop has 55 posters for sale. 34 posters show sports. The rest of the posters show animals. How many posters show animals?

What is th property of (3x10) x8=3x (10x8)

12 lb13 oz + 6 lb11 oz