! which expression is equivalent to ^3 sqrt 256*^10y^7? a 4x^2y(^3square root x^2y^3) b 4x^3y^2(^3square root 4xy) c 16x^3y^2(^3square root xy) or d 16x^5y^3(^3square root y)?

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18