Afarmer wants to know how many horses and chickens are on the farm. she counted 88 feet and 28 animals. how many of each is there?

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.