What the surface area of a sphere with a radius of 9

Pepe is going to spin the following spinner 800 times. the spinner is divided into equal sections.a. exactly 160 timesb. clost to 160 times but probably not exactly 160 timesc. exactly 640 timesd. close to 640 times but not probably not exactly 640 times. me

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

What are the steps to solving the inequality 3b + 8 ≥ 14?