Misha Increased Her Test Score From 60% To 80%. What Was The Approximate Percent Increase Of Misha’s Test Score?

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?

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?