What is the best estimate of the measure of the angle shown

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?