A car rental company charges $50 bucks to rent an economy car and $0.10 for each mile. The expression $0.10n + $50 represents the total cost of renting an economy car and driving it n miles. What is the total cost of renting an economy car and driving it 80 miles?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)