to find x of a 90 degree angle and a 180 degree angle you take what you have and count up until you reach your number of 90 or 180 to get the answer of that angle
to tell what a 90 degree angle look for a right triangle or any angle below like an acute angle
to find a 180 degree angle look for an obtuse angle or the angle that creates a straight line
Add 3 standard deviations above and below the mean to get the range in which 99.7% of the data in a normal distribution will fall 6.5 + 4.5 = 11 6.5 - 4.5 = 2 So 2 to 11 ounces would be the interval
