Find the length of the diameter of a sphere with a surface area of 1890.56 cm^2.

21.5 cm

24.54 cm

24.27 cm

12.27 cm

There are 10,000 dolphins swarming for food. For each single dolphin on the surface, 20 are below the water. How many dolphins are on the surface? How many are below water?

lena's house casts a shadow that is 14 feet long at the same time that lena casts a shaodw that is 3.5 feet long if lena is 4.5 feet tall how tall is hr house?

The formula for the volume of a pyramid is v=bh/3 where h is the height of the pyramid and B is the area of the base. Rewrite the formula in terms of B, the area of the base. In your final answer, include all of your work.

Donna invested 1200 at 7% for 3 years what will her investment be worth at5 the end of 3 years'

Periodically a bottling company gets complaints that their bottles are not holding enough liquid. To test this claim the bottling company randomly samples 70 bottles and finds the average amount of liquid held by the bottles is 9.

Suppose you average 52 mi/h traveling on the highway. If you drive for 5 hours, how far will you travel? A. 260 miles B. 250 miles C. 350 miles D. 240 miles

A rectangular swimming pool is 6ft deep. One side of the pool is 4.5 times longer than the other. The amount of water needed to fill the swimming pool is 1728 cubic feet. Find the dimensions of the pool.

The 3 in 3.62 stands for 3

Suppose y varies with x, and y=14 when x=-4. what is the value of y when x=-6

The table below shows the relationship between the number of hours Nina worked and the number of hours Kathy worked.