-2/3 times -2. You change -2 into -2/1 so you can multiply numerator to numerator and denominator to denominator. You will get 4/3 (negatives cancel out)
Answer: One of them is the set {1,2,3,4,5,6}itself; one is the empty set, containing no elements. “Proper subset of a set ” usually denotes a subset in which at least one element of the original set is missing; so one of the subsets - the original set iitself - is not a proper subset. Therefore the answer is 63.
Step-by-step explanation:
From x equals five to nine, the y value changes as follows
+10,+2,+1,+3
Assuming that "average" implies the mean, the sum of all four values is 15. Then divide 15 by the four values added = 15/4 = 3 3/4 or 3.75
For a;

For b;

If my calculations are incorrect, then sorry ;/
- <u><em>❤ 7272033Alt ❤</em></u>
First of all, you need to get them all in the same format, easiest is decimal.
red = 1.25
yellow= 1.40
green = 1.20
blue = 1.50
so the order is blue, yellow, red, and lastly green