Awarehouse floor measures 30 feet by the 48 feet . the owner who she’s to cover it with new flooring. if the flooring costs $1.86 pero square foot, then what will be the cost of the new flooring

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

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?