How many cubic meters of material are there in a conical pile of dirt that has radius 9 meters and height 6 meters? Use 3.14 for π

Which expression is equivalent to (4 +6i)^2? ? -20 + 48i 8 + 12i 16 - 36i 20 + 48i

Use the balanced scale to find the conversion factor that can be used to convert the number of blocks to the weight of the blocks in pounds.

When a number is decreased by 9.9% the result is 40. what is the original number to the nearest tenth? super urgent