Hannah builds kites to sell. she spends $1.60 on wood, $2.30 on nylon fabric, and 50¢ on string for each kite. if each kite sells for $17.50, how much profit does hannah make on a kite? a) $4.40 b) $13.10 c) $17.50 d) $21.90

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out