Peter is at a lumber yard. he gets 2 free boxes of nails for every 10 boards he buys. write an expression for the number of boxes of nails peter will get if he buys n boards. if each box has 100 nails, explain how to write an expression to find how many nails peter will have if he purchases 90 boards.

Which graph shows a function with a range of all real numbers greater than or equal to -1

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

It is saturday morning and jeremy has discovered he has a leak coming from the water heater in his attic. since plumbers charge extra to come out on the weekends, jeremy is planning to use buckets to catch the dripping water. he places a bucket under the drip and steps outside to walk the dog. in half an hour the bucket is 1/5 of the way full. what is the rate at which the water is leaking per hour?