There were 537 people in the parade. 254 of these people were playing an instrument. how many people were not playing an instrument?

Which representation has a constant of variation of -2.5

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?