Yis 9 less than the product of 4 and x

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

Will give brainliest what is the value of x? enter your answer in the box.

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.