E A rock is in the shape of a sphere with a radius of 2 inches. The rock has a density of 5.5 grams per cubic centimeter. Find the mass of the rock
to the nearest gram
The mass of the rock is about grams.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?