Marty is spending money at the average rate of $3 per day. after 14 days he has $68 left. a) write the equation to model this situation, where x is the number of days. b) use the equation to determine how much money marty had two weeks ago. c) use the equation to determine when marty will run out of money if he continues to spend at this rate.

What is the multiplicative rate of change of the exponential function shown on the graph?

Asquare has a perimeter of sixteen centimeters. what is the length of each of its sides? a. 8 cm c. 9 cm b. 4 cm d. 10 cm select the best answer from the choices

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?