What do I need to know about geometry proofs on a test?

5a-2b=c solve for a

What is 3 (x-7x) - y and how do you do it?

Ginger bought 3 boxes of markers. She gave 6 markers to her sister. Now ginger has 18 markers. How many markers were in each box?

Two men walk at rates of 6 miles per hour and 10 miles per hour respectively. They started from the same place walking in opposite directions. In how many hours will they be 200 miles apart?

Solve x - 7y = 8 for x. A. x = - 7y + 8 B. x = - 7y - 8 C. x = 7y - 8 D. x = 7y + 8

An art student wants to make a model of a rectangular classroom. The length of the classroom is 2.4 times its width. The length of the student's model is 42 in. What should the width of the model be? a. 17.5in b. 20.5 in c. 83. 6in d. 100.8in

The length of a rectangle is 4 times the width. The perimeter of the rectangle is 45 inches. What is the area of the rectangle / 9960871/ce166f9f? utm_source=registration

Dominic books with 12 postcards in each book. He has 4 boxes with 20 coins in each box. If he gives 15 post cards to his friends, how many postcards and coins does he have?

Which system of equations has exactly one solution? - 2x-4y = 8 x+y=7 3x+y=-1 x-2y = -2 3x+3y=3 -Ex-by=3 3x-2y=4 -3x+2y=4

The side length of a square is shown. Which expressions are equal to the perimeter of the square? (w-2) Select all that are correct. 2 (w - 2) + 2 (w - 2) w + w + w + w - 2 - 2 - 2 - 2 4w - 2 2w - 4 4 (w - 2)