What is 1 + 2 I really need this answer my grades depend on it!!!

What is the first step of an indirect proof of a number that is divisible by two

The measure of an angle is 117°. what is the measure of a supplementary angle?

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.