A study prepared for National Association of Realtors estimates that the number of housing starts in the southwest, N(t) (in units of a million), over the next 5 years is related to the mortgage rate r(t) (percent per year) by the equation 9N2+ r = 36; where + is measured in years. What is the rate of chänge of the number of housing starts with respect to time when the mortgage rate is 11% per year and is increasing at the rate of 1.5% per year

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?