Find the values of the variables and the length of each segment.

What value of x will make the triangles similar by the sss similarity theorem?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

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.