What is a composite number between 70 and 80 and has a factor of 11

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

The surface area of the triangular prism is .