Petra jogs 4 miles in 36 minutes. At this rate, how long would it take her to jog 11
miles.

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

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?

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180