In the diagram below, AE = BE, DE DC and mA = 58°. Find mZD.
B
D
E
58
A

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The area of each triangle is 7 square units. the surface area of the triangular prism is