I need help with algebra :). This is my current problem, (r^2 + 6r + 5) (5r^2 + r -5) BTW, the '^' sign means root of, or to the power of.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

I'm confused on this could anyone me and show me what i need to do to solve it.

Arational number that is equivalent to -20/4?