That i need to multiply 3.2 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.

Complete the equation of the live through (-1,6) (7,-2)

Which graph represents the linear function below? y-3=1/2(x+2)