2. Helen has an unknown quantity of
money (m). Ingrid has $50 more than
Helen. Write an expression that
represents the total amount of money
that Helen and Ingrid have.

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?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Multiply sixth of sixty six by a half of ten show step by step method