8. Dillon scored 20 out of 25 in English, 30 out of 40 in Science and 68 out
of 80 in mathematics. In which subject is Dillon's percentage best?

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.)

Every rhombus is a square. true false

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.