Of the 15-year-olds at a karate school, 5 have black belts and 9 have brown belts. Among the 16-year-olds, 13 have black belts and 19 have brown belts. Which age group has a lower ratio of black belts to brown belts?

Louisa has five shirts (white, gray, black, green, and blue), four pairs of pants (black, khaki, navy, and jeans), and two pairs of shoes (flip flops and sneakers). How many different outfits can she create? 10 20 40 60

Which vest explains if quadrilateral WXYZ can be a parallelogram

Mr. Webster is buying carpet for an exercise room in his basement. The room will have an area of 230 square feet. The width of the room is 12 1/2 feet. What is the length?

If four desk lamps cost $120 what is the average cost per lamp 20.00 25.00 30.00 35.00 40.00?

The population of Nowhere, USA was estimated to be 485,400 in 2003, with an expected increase of 2.4% per year. At the rate of increase given, what is the expected population in 2004? Round your answer to the nearest integer.

Solve the inequality - 2x2+8x >8

Find the vertices and foci of the hyperbola with equation quantity x plus 1 squared divided by 225 minus the quantity of y plus 5 squared divided by 400 = 1

Write the following equation in the general form Ax + By + C = 0. 2 x + y = 6 2x + y - 6 = 0 2x + y + 6 = 0 2x - y - 6 = 0

If sin x=1/3 and sec y = 5/4 where x and y lie between 0 and pi/2 evaluate the expression. sin 2y

System of equations y = 4x + 6 and y = 6x - 8