Which sequence or sequences are correct and why?

Which expression is equivalent to 4 square root 6 divided by 3 root 2

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

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.