C varies directly as a and inversely as b. If c =15 when a=18 and b=40. Find c when a=36 and b=25.

Simply 8x squared + 5(7x squared- x) - 2x =

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints