Which expression could be used to solve the problem?

while preparing a recipe, chris noticed that 4 cans held a total of 34 oz of tomato sauce. the cans were all the same size. how many ounces did each can hold?

a.34x4

b.34+4

c.34/4

d.4/34

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

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?