Jackson needs a new bicycle tire. His tire has a circumference of 78.5 inches. What is the diameter of his tire? Use 3.14 for π.

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

Which of the following is true for the relation f(x)=2x^2+1

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?