Which of the following best defines density?

a.
a measure of the volume of a given substance

b.
a number between 0 and 1 that defines how thick a substance is

c.
a measure of how much mass a given volume of a substance will have

d.
a measure of the mass of a given substance

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).