A motorist travelled at 60 km/h for the first In.
Then he travelled another (30 km. He took = h altogether to complete the
entire journey. What is his average speed for the whole journey?
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Paint color preference children adults total 0.6 0.77 liked new paint color disliked new paint color 0.4 0.15 0.23 total 1.0 1.0 1.0 which value for x completes the conditional relative frequency table by column?

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?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?