At raging river sports, polyester fill sleeping bags sell for $79. down fill sleeping bags sell for $149. in one week the store sold 14 sleeping bags for $1456. how many of each were sold using system of equation multiplying and subtracting.

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 of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

With finding limits of multi variable !