R is also known as the correlation coefficient. Hence your statement is ...
B. False
if an hour is able to be split up for payment then it will be 1/10 of an hour
Experimental probability is if an experiment was actually run. If those values are the result of an experiment, then the probability is desired value (white) over total possibilities.

or 0.6
Answer:
15) a) 8
b) y + 2
c) y - 1
16) True
17) 2n - 1, where n is an integer
18) a) 3p + 4q
b) 500 - 3p - 4q