What is the least common denominator for:

3/x and 2/4xy

Which is Bigger y=6x+4, or y=3 (x) + 2

The product of seven less than a number and eight

What the square root of 280

A rectangular box with a volume of 784 ft3 is to be constructed with a square base and top. the cost per square foot for the bottom is 15¢, for the top is 10¢, and for the sides is 1.5¢. what dimensions will minimize the cost

A cube of gold is 6 inches high by 6 inches long by 6 inches wide. If gold weight 0.698 pounds per cubic inch, what's the weight of the cube of gold

In a fund-raising game for your school, you bet $1 to roll two dice. If your total is 8,9,10 or 11 you win $2. If your total is 12, you win $6. If your total is 7 or less, you lose the dollar you bet.

Rewrite the formula to find w. If P = 2l + 2w, the formula to find w is. If P is 30 units and l is 10 units, w is units.

20 (-2 2/5) in distributive property

If Lebron can run 12 laps in 2 hours, approximately how long will it take him to run 60 laps?

Zelda bought a blouse and a sweater for a total price of $79. The price of the sweater was $4 more than twice the price of the blouse. What was the price of the blouse?