Find the sum of 4a-a^3) + ( 2a^3-5a^2+8)

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

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.