I really need help with this test ???

Of four points are collinear, they are also coplanar

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.