A bag contains 8 yellow marbles and 6 blue. What number of yellow marbles can you add to the bag so that the ratio of yellow to blue marbles is 5:2?

Solve x for the equations y=2x-10 2y=x-8

A box contains 4white balls and 5black balls. Two balls are drawn at random. Find the probability that 1) both white 2) both black

A kite has a perimeter of 38 in. If the length of one side is 8 in, what could be the length of one of the other sides?

The equation d = d equals StartFraction m Over V EndFraction. can be used to calculate the density, d, of an object with mass, m, and volume, V. Which is an equivalent equation solved for V?

Maria wants to add to her CD collection. If a CD costs $9, which expression shows the cost of d CDs?

Find the area of a room whose dimensions are 15 1/2 feet by 18 feet

Trees are planted along a road that is 2 kilometers 50 meters long. Eleven trees are planted at an equal distance apart along the road. What is the distance in meters between each tree?

Ansley's age is 5 years younger than 3 times her cousin's age. Ansley is 31 years old. Let c represent Ansley's cousin's age. What expression, using c, represents Ansley's age?

The worker received a salary of EUR 150 per month. For good work, his salary was increased by 12%. How much is the worker now getting?

A car dealer offers a 10% discount off the list price x for any car on the lot. At the same time, the manufacturer offers a $2,000 for each purchase of a car A. Write a function f (x) to represent the price after the discount. b.