Kimberly got 3 problems wrong on a test of 25 questions. what percent of the questions did she get correct

What is another way to express 36 +32

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 circumference of a circle with an area of 50.24 cm²?