My hundreds digit is 4. When you add my digits, it is 13. My ones digit is twice my tens digit. What number am I?

Suppose GameStop charges nonmembers $8 to rent each game. A store membership costs $25 and members pay only $2.50 to rent each game. For what number of games is the cost the same?

What is the center and radius of the circle with the equation x2 + y2 = 42

If a club consists of 18 members, how many different arrangements of president, vice-president, and secretary are possible

Rene operates a small cafe. People come from miles around to taste Rene's light, fluffy biscuits. A biscuits recipe that makes 12 biscuits requires 2 cups of flower. At this rate how many cups of flower would Rene need for 96 biscuits

Write an equivalent expression for 48 + 18x

Use the discriminate to determine the number and the nature of the solutions of the giving equation 2x^2 + 5x+7=0

A local university accepted 2,300 students out of 4,500 application for admission. What was the acceptance rate, expressed as a percent.

One cubic foot of sand weights 100 pounds. A square sandbox with 5-foot sides has half of a food of sand in it. How many pounds of sand is the sandbox holding?

10/7 divided by 4 What's the answer

Samuel wants to buy at least twice as many DVDs as CDs. CDs sell for $7 each, and DVDs sell for $12 each. Samuel can spend a maximum of $50. Let c represent the number of CDs, and let d represent the number of DVDs.