A bag has 8 blue marbles and 4 red marbles. half of the red marbles are made of glass. a marble is selected at random from the bag. what is the probability that it is a red, glass marble?

If the price goes from $25 to $18, what percent was the discount?

Tuition at a state college was 4,000 in 2014, and is expected to grow at a rate of 7% each year. Write ab exponetial growth model for the expexted tutuon t yesrs after 2014

is 13/52 in simplest form

Solve the system using the Linear Combination method: 2x+2y=12; 3x+y=2

The area of a rectangular wall of a barn is 45 square feet. Its length is 12 feet longer than the width. Find the length and width of the wall of the barn.

In one game, Rafael was up to bat 3 times and made two hits. In another game, he was up to bat 5 times with no hits. What percent of the times at bat did Rafael make a hit?

Sarah counted 16 dogs playing fetch out of 24 total dogs at the park. which fraction represents the ratio of dogs that were playing fetch to total dogs?

Ryan and Sarah are looking at cell phone plans. A group plan will cost $120.95 per month. An individual plan will cost $62.77 per month. Should Ryan and Sarah purchase a group plant or two individual plans? Justify your answer.

Solve for a. 5.4 = a - (-1.8) a =

A 63-square-foot roll of plastic wrap costs $1.89. A 9-square-yard roll costs $2.43. Which roll is a better deal?