A certain type of lawn sprinkler turns in a circle when it is connected to a hose. Your sprinkler is set to rotate 90° and project water out 30 feet. In terms of π, what part of lawn is watered by the sprinkler?

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.

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?