Classify the triangle. (Explain each type if you can!) A. equiangular
B. right
C. acute
D. obtuse

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

What is the area of the triangle 10 13 12

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)