There are 8 math classes in 7th grade. Seven are equally sized and the 8th class has 32 students if there are a total of 221 students in the seventh grade how many are in each of the equally sized math classes I need an explained steps by step answer

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?