The formula c=0.1a+42 is used to calculate the cost in dollars (c) of renting a car for one day from Poole’s Car Hire Ltd, where a is the number of kilometres travelled on that day.

The cost of renting a car for one day if the distance travelled is 220 kilometres is c= $

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Kristen is wrapping presents for the holidays. she has a box that measures 4 ft. x 2 ft. x 2 ft. how many square feet of wrapping paper does she need to cover the box without overlapping?