A triangle has angles A, B, and C. Which of the following could not be a set of angles?
A. MZA= 100°, mZB=50°, mZC = 30°
B. m A = 91°, m B = 47°, mZC = 42°
C. m A = 101°, m B = 49°, m_c=39
D. m A ='90°, m B = 45°, mZC = 45°
SUBMIT

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Describe the symmetry of the figure. identify lines of symmetry, if any. find the angle and the order of any rotational symmetry.