Carlos and maria drove a total of 233 miles in 4.4 hours. carlos drove the first part of the trip and averaged 55 miles per hour. maria drove the remainder of the trip and averaged 50 miles per hour. for approximately how many hours did maria drive? round your answer to the nearest tenth if necessary.

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?

How to find the volume of an area and height

Which inequality is used when the situation involves a “maximum”?