A school principal of 940 students needs to determine what percent of students passed and did not pass a statewide examination. 300 students passed. Round to the nearest percent.
What percent did not pass the test?

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Astudent simplified a rational expression as shown.

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*