A hemispherical tank is filled with water and has a diameter of 22 feet. If water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Is the figure congruent? yes or no?