X^2-4x=0 solve by factoring

In a box of eight donuts, two have pink sprinkles. Express the percent of the donuts in the box that have pink sprinkles

Eddie is looking at a map of Sandy Shore Park. The scale on the map is: 1 inch = 1/2 mile. If Clark's Pond and Vista Ridge are 9 inches apart on the map, what is the actual distance from Clark's Pond to Vista Ridge?

Change from $20 after spending $13.76

Does anyone know what this n does in the equation? (x + 5 - 6).

What is the square root of 23

Bob won big at bingo last night, he walked away with $800. The first thing Bob does is to take a cab to his mother's house. He gives the cab driver $20 and tells him to keep the change.

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100.

Select the correct numeral form of this number written in scientific notation. 5.0 * 10^10 0.000 000 000 5 5,000,000,000 50,000,000,000 500,000,000,000

John has a bag of marbles that contains 12 red marbles 20 green and 17 blue. if john pulls one marble what is the probability that it will be a purple marble

Solve for x: 2 over 3 (x - 4) = 2x. 2 - 2 - 8 - 4