The function p(t) = 3•e ^ 0.0866t describes how to find the pollution level p(t) in relation to any time t, where t is the number of years after 1970. according to this information , what was the pollution level in 1980? round to the nearest hundredth
a. 7.13
b.2.38
c. 2.36
d.7.09

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

If a || b and e || f , what if the value of y ?

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?