Students sold 342 tickets to the school carnival at $11.75 each. Nine tickets were refunded. Estimate the amount of money that the school took in. Is your estimate an overestimate or underestimate?

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.

Acircle has a circumference of 7.850 units. what is its radius?

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)