Allison scored 78.5 hannah's scire was 74.65 how many more points did allison score than hannah?

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?

What is the radical expression that is equivalent to the expression 27 1 over 5?

Which statement accurately describes how to perform a 90° clockwise rotation of point a (1,4) around the origin?