If you formed an algebraic equation to model the sentence, "three times a number is equal to nine," how many variables would be in the equation? a. 1 b. 2 c. 3 d. 5

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

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?

What is the 12th term of b(n)=-4-2(n-1)