Use the parabola tool to graph the quadratic function.

f(x)=x^2−2x−3
Graph the parabola by first plotting it's vertex and then plotting a second point on the parabola.

Barbara's piano instructors house is 7 1/8 miles from her house. after biking for 1 3/4 miles she stops to rest how much longer does she need to bike to reach her instructor's house

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?