What is the surface area of a sphere with a radius of 30 m? 1,800π m2 90,000π m2 3,600π m2 900π m2

With #! i’ve tried to figure it out but i can’t.

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct