last year she had 12 records in her collection. now she has 15. what is the percent increase of her collection

Three consecutive numbers add up to 426. What are the numbers?

A rectangle has a length of 1313 feet less than 33 times its width. if the area of the rectangle is 28382838 square feet, find the length of the rectangle.

What is 3 1/4 plus 1 7/8?

City A's population of 1115000 is decreasing at a rate of 15000 per year. City B's population of 698000 is increasing at a rate of 45000 per year.

The product of 12 and a number

Is 27/51 a proper fraction

Describe a possible real world context or situation that can be represented by the expression 14x+3y+250. identify the variables, variable terms, constant terms, and coefficients, as well as what they represent in the context you describe.

Suppose that a company has just purchased a new computer for $2800. The company chooses to depreciate using the straight-line method for 7 years.

Find the product. y^5·y^3

Jessica has several red, white, and black marbles in her pocket. If she draws a marble out of her pocket without looking, the probability of drawing a red marble is 2 5 , the probability of drawing a white marble is 1 10 , and the probability of