PLEASE HELP

Which line segment is a radius of K?
A) EH
B) FG
C) DK
D) KH

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a