Select all of the equations that are not functions. A) y=x^2
B) x² + y^2=3
C) y=4
D) x=3

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.