A student is given an ID number when they join a school district, such as GISD. The ID numbers consist of 6 digits and the numbers range from 0 to 9. Any of the digits can be repeated, but o
cannot be placed as the first digit. How many possible ID numbers are there?

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.)

Which of these triangle pairs can be mapped to each other using two reflections?

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?