Mr. Jeffords starts a diet and exercise plan to lose weight. He currently weighs 214 pounds but would like to weigh 190 pounds. His doctor suggests he will lose 1.5 pounds per week by following the plan. Which number line represents the period of time since starting the plan, in weeks, when Mr. Jeffords will still weigh more than 190 pounds?

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?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Tom drove 206 miles in 3.9 hours. estimate his average speed.