Use the order of operations to simplify 4(3.5 - 1.5) - 1/2. a. 19 1/2
b. 7 1/2
c. 12
d. -4

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)