On a map, 1/4 inch represents 400 miles. How long would a line on a map need in order to represent 3200 miles?

Which expressions are equivalent to -6 + 3m

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

1- 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. 2- 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. 3- 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 part b?