Model & Solve Equations & Inequalities:Question 2 There are x students in Ms. Smith's class and of them like pizza. If 21 of the students like pizza, which equation can be used to find the number of students in the class?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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 always true when two whole numbers are subtracted?