What is the following product?

(5 startroot 2 endroot minus 4 startroot 3 endroot) (5 startroot 2 endroot minus 4 startroot 3 endroot)
–2
2
22 – 40 startroot 6 endroot
98 – 41 startroot 6 endroot

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.)

True or false? a circle could be circumscribed about the quadrilateral below.

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be