David has 20 coins he gave some coins to Peter David had 8 coins left. How many coins did David give to Peter?

Katie wants to hang a painting in a gallery. The painting and frame must have an area of 45 square feet. The painting is 6 feet wide by 7 feet long. Which quadratic equation can be used to determine the thickness of the frame, x?.

Y=3x-7. When x = 0 what is the value of y

Probability, There are 100 students 10 who are left handed twenty are selected at random what is the probability that 80% of the students are right handed

What is 9/12 devided by 4/12

The length of a rectangle is twice the width. If the perimeter of the rectangle is 60 units, find the area of the rectangle.

Ms Gegory had $300 to purchase sports equipment for summer camp she bought 6 soccer balls. Each basketball cost $16.98, and each soccer ball cost 13.79 how mush money did she have left after these purchases?

2xy=4 (1/2xy) because

The campus shuttle arrives at the cafeteria every 8 minutes the library Shuttle arrives every four minutes if both shuttles arrived at their destination at the same time how many minutes would pass before they meet?

Of the birds in Monica's pet shop, 1/5 are pigeons. Of the pigeons, 1/3 are white. Look at each expression. Can it be used to find the fraction of birds in Monica's pet shop that are white pigeons?

6,000 is 10 time as much as