Which ordered pairs in the form (x, y) are solutions to the equation (x + 7)y = 10? choose all answers that are correct. a.(−9, −5) b.(−8, 10) c.(−2, 2) d.(3, 5)

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.)

Darragh has a golden eagle coin in his collection with a mass of 13.551\,\text{g}13.551g. an uncirculated golden eagle coin has a mass of 13.714\,\text{g}13.714g.

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25