Claire's mom found a very good price on a large computer monitor. she paid $325 for a monitor that was only $65 more than half the original price. what was the original price. show your work

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.)

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years