For each chore he does, Eden charges $9 for each hour, x, he works plus a $5 one-time fee. Eden wants to earn at least $50 at his next job.

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

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?

Which expression gives you the distance between the points (5,1)and(9,-6)