Examine the division problem: 15/4 divided by (-5/8) to solve the problem, you must find the reciprocal of the second fraction. which reciprocal fraction should you use? a. -5/1 b. -1/5 c. (its not c) d. -8/5

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?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.