A person rides a ferris wheel and travels in a circle above the ground. At the lowest point, the car of the ferris wheel is 10 meters off the ground, and the ferris wheel has
a radius of 20 meters. The wheel rotates with a frequency of 1.5 rotations per minute.
What is the trignometric equation that models the motion of a single cart as it travels
around the wheel, assuming that it can be modeled with a sin function?

Jeffery conducted a survey in his school and found that 30 of the 50 eighth grade students' favorite subject is mathematics. based on the results, jeffery concluded that out of the 200 students in his school, 120 students' favorite subject is mathematics. select the statement that is true about jeffery's conclusion. a. jeffery's conclusion is not valid because the sample was biased since only 200 students were surveyed. b. jeffery's conclusion is valid because the sample was random since all of the students were eighth grade students. c. jeffery's conclusion is valid because the sample was random. d. jeffery's conclusion is not valid because the sample was biased since all of the students were eighth grade students.

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Which is f(5) for the function –2x2 + 2x - 3?