Solve the equation.

4x^2 – 8 = 56

16, –16

8, –8

4, –4

2, –2

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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.