Line segments AC and BD intersect at E, as shown in the figure. ABCD, DE = 10, BE = 15, and CE = 20.
What is the measure of AE?

What are correct trigonometric ratios that could be used to determine the length of ln

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

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36