Which polynomial function has a leading coefficient of 1 and roots (7 + iand (5 - 1) with multiplicity 1?
f(x) = (x + 7)(x - 1)(x + 5)(x + 1)
f(x) = (x - 7)(x - )(x - 5)(x + 1)
f(x) = (x -(7 - 1)(x - (5 + 1)(x - (7 + 1)(x - (5-1)
f(x) = (x + (7 - 1)(x + (5 + 1)(x + (7 + 1)(x + (5-)

Franklin neason earns $5,250 a month as a sales manager. what is his semimonthly salary? a.$10,500b.$5,250c.$2,365d.$2,625

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%

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288