Acertain magical substance that is used to make solid magical spheres costs $500 per cubic foot. the power of a magical sphere depends on its surface area, and a magical sphere can be sold for $40 per square foot of surface area. if you are manufacturing such a sphere, what size should you make them to maximize your profit per sphere?
r= ft

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school