Find the zeros for the polynomial function and give the multiplicity for each zero. State whether the graph crosses the x-axis or touches the x-axis and turns around at each zero. f(x) = 7(x + 4)(x-9)?
Determine the zero(s).
The zero(s) is/are
(Type integers or decimals. Use a comma to separate answers as needed.)

Which of the following points is collinear with (-2,1) and (0,3)

Find the roots of the equation below. x^2 - 6 + 9 = 0

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%