The cost in dollars for renting a car is represented by C(t) = 20t + 240, where t is the number of hours. What is the cost of renting the car for 10 hours? A) $640
B) $280
C) $4800
D) $250

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.