Hurry please Challenge #2

Plot five parabolas, one through each set of color-

coordinated points. One is done for you.

When you finish, press "Check My Work".

Parabola

Equation

Red

Blue

Green

Orange

Purple

O Learn how to type math.

Check My Work

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Find the area of the triangle shown 3 by 6

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x