To make a batch of purple frosting, you need 28 drops of blue food coloring and 21 drops of red food coloring. What is the ratio of red drops to blue drops in simplest form?

Write the smallest numeral possible using the digits 9, 3 and 6

The negative sign can be read as "the opposite of."

What is 11/12 minus 3/20

A new shoe comes in two colors, black or red, and in sizes 5 to 12, including half sizes. If a pair of the shoes is chosen at random for a store display, what is the probability it will be red and size 9 or larger?

A sphere with a radius of 15 cm has the same volume as a cylinder with a radius of 5 cm. What is the height of the cylinder? A) 90 cm B) 120 cm C) 150 cm D) 180 cm

Two numbers are in the ratio 7:8. Find the numbers if their sum is 45.

Is y=9x+3 proportional or non-proportion and why?

A video rental company offers a plan that includes a membership fee of $9 and charges $1 for every DVD borrowed. They also offer a second plan, that costs $44 per month for unlimited DVD rentals.

The area of the two triangles is given by the functions: Area of Triangle A: x2 + x Area of Triangle B: x2 - 3x Which function represents the sum of the areas of the two triangles?

Movies are on sale for 1/4 the original price. If the original price is $20, which expression gives the sale price?