ski lift cables are strung to the top of a 1200 foot mountain. the angle of elevation of the cables is 30 degrees. how long are the cables?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.