Which proportion can be used to find 220% of 318?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a. f[g(3)] b. g[f(5)] c. g{f[g(-4)]}

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.