Nina checks the temperature at 11:00 a. m. She notices if the temperature rises by 6 more degrees, it will break the record-high temperature for that date, which is 84 degrees. If t = the temperature in degrees at 11:00 a. m., which mathematical sentence expresses the information above?

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

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.

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?