What is the measure of each angle in the circle?

60°.
90°
72°
30°

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1

The area of a circle is equal to 1 dm². find the radius of the circle.

What is the measure of angle x? a.101 b.158 c.44 d.79