Debbie is n years old. Shawn is twice as old as Debbie and Edna is 3 years older than Debbie. The expression n + 2n + n + 3 gives the sum of their ages. Simplify the expression by combining like terms.

Jerry made a blueberry pie and cut it into 8 slices. He also made an apple pie that was cut into 6 slices. Jerry's friends ate 3 slices of blueberry pie and 2 slices of apple pie. Which pie did Jerry's friends eat more of?

A survey found that 27% of high school students and 94% of teachers and school employees drive to school. The ratio of students to employees is about 10 to 1.

Solve the system by either substitution or elimination 3x-5y=21 2x+y=1 A (2,-3) B (2,3) C (-2,-1) D (-2,1)

What numbers can be both added together, and multiplied together to make 36? How does this work?

Find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse length 19

Mrs. lauren made 12 pillows from 16 yards of the same fabric. how much fabric was used to make each pillow

Movie starts at 7:45 and its 1hr 26 min, what time would the movie end.

Two angles in a triangle add up to 78o. What is the size of the third angle?

177-x = 288 what does x equal

3. What is the solution to the equation 5x + 7 + 2 x = 7 (2x + 3) - 63?