Two angles are complementary. One angle is twice as large as the other. Find the number of degrees in each angle

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]