What is the value of x in the equation 5.5x = 17.6?
1. 3.2
2. 12.1
3. 23.1
4. 96.8

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 rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Find the value of x. give reasons to justify your solutions! h ∈ ig