What is the radius of a sphere that has a surface area of 12.56 in2? use 3.14 for pi. recall the formula sa=4 pi r 2?

Asquare parking lot has 6,400 square meters what is the length in meters

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

The length of an intercepted arc of a central angle of a circle is 4 cm. if the radius of the circle is 5 cm what is the measurement of the central angle to the nearest whole degree