Answer:
C
Step-by-step explanation:
Answer:
-6
Step-by-step explanation:

Answer:
A rational number is a number which can be written as a ratio of two whole numbers (integers). For example 5 is arational number since 5 can be written as ratio of 5 : 1 . ... 2.5 is a rational number since it is a ratio of 5 : 2 . And 2.5 is not an interger
A Pythagorean triple is a triple that describes the three positive integer side lengths of a right triangle. It fits the rule a^2 + b^2 = c^2. From the given sets of numbers above, the following are the Pythagorean triples: Option C: 12, 16 and 20 (144 + 256 = 400); Option E: 8, 15 and 17 (64 + 225 = 289); and Option F 32, 60 and 68 (1,024 + 3600 = 4,624).
5y+45=180
5y=135
y=135/5
y=27