James earned a total of $900. last week. This total was $10 less than five times the amount he earned last week. How much money did James earn last week?

Need solving this second acceleration problem.

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?

Which graph has a rate of change of zero