Find a sales receipt from a store that shows the total price and the total amount paid including sales tax. part a: write an equation you can use to find the sale tax rate r. part b: can you use r to find the percent for the sales tax? explain.

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

Consider circle o, where and . m∠bpd °. °.