A15 foot ladder is leaning against a house. the base of the ladder is 4 feet from the house. to the nearest tenth of a foot, how high does the top of the ladder reach?

7 ft.

14.5 ft.

15.5 ft.

209 ft.

If i have one apple and give you the apple, how many apples do i have?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean