In a survey of computer owners, 80% use an anti-virus program, 25% use an anti-spyware program and 15% use both. what is P(anti-spyware I anti-virus)?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

The acceleration of an object due to gravity is 32 feet per second squared. what is acceleration due to gravity in inches per second squared?