What is the difference between multiplying and factoring polynomials?

Which expression is rational? 6. , square root two, square root 14, square root 49

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.

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.