The cost c of hiring a lorry to travel n miles is given by c=a+bn. The cost of travelling 100 miles is £82. The cost of travelling 250 miles is £157. Find the value of a and the value of b

Which of the following sets represents a function? { (3, 5), (-1, 7), (3, 9) } { (1, 2), (3, 2), (5, 7) } { (1, 2), (1, 4), (1, 6) }

Reba is making a tablecloth for the dessert table. She needs to decide between the autumn-leaf fabric that sells for $4.99 per yard and the turkey-print fabric that sells for $5.75 per yard. Reba needs 3.6 yards.

Circle H is shown. Line segments G H and J H are radii. The length of G H is 20. Angle G H J is 162 degrees. What is the area of the shaded sector of the circle? 20Pi units squared 40Pi units squared 180Pi units squared 400

Karen bought a handbag for $55. Agnes spent 1.5 times as much on hers. How much did Agnes spend?

Justin and Tyson are beginning an exercise program to train for football season. Justin weighs 150 lbs and hope to gain 2lbs per week. Tyson weighs 195 lbs and hopes to lose 1 lb per week.

What are all the factors of 360?

Which number in the set {-486, 0, 259} is a natural number?

Find F of G of X where f of x equals 9 over X and G of x equals x over x + 1

Jane is a better tennis player than Jack is. If the probability that Jane will beat Jack in any given game is 0.7, what is the probability that they will each win one game if they play two games

Maya is driving 120 miles to her grandmother's house. She drives 35% of the distance before stopping for lunch. How far does she drive before lunch?