After a certain number of moves in a chess game, the ratio of black pieces to white pieces is 4 to 3. If there are 12 black pieces on the board, which proportion can be used to find the number of white pieces?

Each number in a numeric pattern is a?

What is the slope of the line whose equation is 7x+3y=15? With steps.

Martin earns $7.50 per hour proofreading ads at a local newspaper. His weekly wage m can be described by the equation w=7.5h, where h is the number of hours worked.

Find the median 61 61 62 64 66 69 69 70 72 73 74 78

43/14 as a decimal rounded to nearest tenth

Given the explicit formula for an srithmetic sequence find the first five terms and the 52nd term

Negative three plus x equals eleven

A rectangular room has a length of 20 ft, width of 48 ft, and height of 10 ft. Use the Pythagorean Theorem to find length BC and length AB. Round to the nearest tenth, if necessary.

The Hu family goes out for lunch, and the price of the meal is $58. The sales tax on the meal is 7%, and the family also leaves a 15% tip on the pre-tax amount. What is the total cost of the meal?

Suppose the university bursar said that 600 students entered for Business Mathematics, 300 entered for Statistics while 173 students entered for both Business Mathematics and Statistics. How many students enrolled in the two courses altogether?