Every term is a. a constant b. an expression c. a variable

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.