If an item that originally cost $21 is decreased to $12, what is the percentage of decrease in the item?

3b 2a=5a-6 solve the equation for a in terms of b.

If carbon dioxide, methane, and water vapor were not in the atmosphere, then A. the Earth's surface would be much warmer than it is. B. the weather and climate of planet Earth would not be affected. C.

17) Given f (x) = 2x + 4, if the output is 12, what is the input? (Solve for x) _ as an ordered pair: (,)

What is the definition of an integer

Round to the place value of 763.400 to the nearest ten thousand

The scale of the map is messing the actual distance from library to the west quill is 72 miles and it is 6 inches on the map what is the scale of the map

Solve the equation 11x^2=-10x-11

What two numbers add to 4 and multiply to 1

What is 2 to the 12 power simplified

The length of each side of a cube is increased by a factor of 4. What is the effect on the volume of the cube? A) The volume of the cube increases by a factor of 64. B) The volume of the cube increases by a factor of 16.