What is/are the solution(s) to the rational equation
- 20 = 2#5?
There may be more than one correct answer. Select all that apply.
-2
-1.73
-1.27
-4.73
0.76

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?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Find the value of x to the nearest tenth.