The roots of the equation 2x2 - 8x = 0 are
(1) -2 and 2 (3) 0 and -4
(2) 0, -2, and 2 (4) 0 and 4

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

Which of the following contains a variable?