A rental car company charges $15/day for a rental car plus 20¢ for every mile driven that day. Which equation models the relationship between R, the cost for one day of renting the car and d, the number of miles driven that day?

A population of rabbits, in the absence of other factors, grows at a rate proportional to the current population: specifically, it triples every 2 years. There is another factor, however: foxes kill 2 rabbits per month.

Chris took his daughters to watch a new Disney movie. At the movies they were each able to get a drink and a small popcorn. the drinks cost $3.25 and the small popcorn costs $4.50. How much did Chris spend on snacks for his two daughters?

9 51/58 simplest form

A square window in Rosa's room has sides that are 22 inches long. Rosa wants to buy a new window frame that costs $2.00 per inch. How much will the window frame for Rosa's window cost?

Divide £10 into the ratio 2:3

Best Buy sells CDS and DVDS. Jose bought 3 CDs and 2 DVDs for $58. Lisbeth bought 1 CD and 4 DVDs for $46. Determine the selling price for each

There is a 40% chance that you will be elected president of the history club. There is a 10% chance that your friend will be elected treasurer of the history club. You use a random number generator to randomly generate 50 numbers from 0 to 99.

Car A travels 105 miles on 3 gallons of petrol. Car B travels 80 miles on 9 litres of petrol. which car has the better petrol consumption (ie more miles per gallon) ? you may use the fact that 1 gallon=4.5 litres.

Nacy is saving 2 bucks from her allowance every week marco is saving 1 the frist week 2 teh second week 3 teh third week and so on at the end of ten weeks who got more money?

What two numbers multiply to get - 27 and add to 6