Convert 63°F to degrees Celsius. If necessary, round your answer to the nearest tenth of a degree.
Here are the formulas.
5
9
9
F=-C+32
5
c=E(F-32)
+

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.