What is the area of the composite figure whose vertices have the following coordinates? (−4, 3) , (2, 3) , (4, −1) , (0, −3) , (−2, −1) enter your answer in the box. units²

What is the area of triangle abc if a = 8, b = 11, and c = 15?

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?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder