Imagine putting yourself in a push-up position and staying there. Assume that neither the floor nor your body moves. You will use a lot of energy but do no work. How can energy be consumed when no work is done.

A rectangular photograph is mounted on a square piece of cardboard whose sides have length x. The border that surrounds the photo is 3 inches on each side and 4 inches on both the top and the bottom.

Solve for a: 60a - 80a ≥ - 64 - 92

a garden in the shape of a square measures 15 feet on each side. A triangular paved patio is in the center. It has a base of 10 feet and a height of 8 feet. What is the area of the garden?

Sujat has 3 jump-ropes. The red jump-rope is 75 inches long. The blue jump-rope is 5 feet long. And the yellow jump-rope is 2 yards long. Decide which rope is longest, which is shortest, and which is in the middle.

Zeus Industries bought a computer for $2011. It is expected to depreciate at a rate of 24% per year. What will the value of the computer be in 5 years?

Which expression is equal to 728‾‾‾√-563‾‾‾√? -11√ 7 √7 - √7 -37√7

What is the distributive property of 5x23

What term describes a pair of vertical angles that are also supplementary: acute obtuse right straight?

What is the third term in the expansion of (x+4) ^5

Which quadratic equation defines the function that has zeros at - 8 and 6?