There are 15 black marbles and 11 blue marbles. What is the ratio of black marbles to blue marbles?

Evaluate the expression when x=-6. x² + 5x-5

40% of a man's salary is $1,200. What is his salary?

Bob bought 3 packs of model cars. He gave 4 cars to Ann. Bob has 11 model cars left how many model cars were in each pack.

The sum of the squares of 2 consecutive negative integers is 41. what are the numbers?

Draw two different perimeters of a rectangle with an area of 14 units and name the dimensions

Simplify using the horizontal method (2n^2+5n+5) (2n-4)

The equation d = 2t + 8 gives d, the total depth in inches of accumulated snow based on t, the time in hours since a storm began. Using this equation, how much snow can be expected to fall with each additional hour?

A box of crackers has 24 grams of fat. the box contains 8 servings. what is the unit rate?

Solve x^2+10x+7=0 by completing the square. Which equation is used in the process? 1. (x+10) ^2=93 2. (x+5) ^2=32 3. (x+5) ^2=18

What is 12.08 written as a mixed number