Segment QR is shown. Point Q is located at (−3,2). Point R is located at (1,2). Answer the questions below.

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?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain