Which choice is equivalent to the expression below?
√- 20
a. -20i
b. 2i √5
c. -2 √5
d. 2 √5i
e. 20i,

What is the solution of sqrt x+2-15=-3

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why