a water tank contained 122 liters of water. it is then filled with more water at constant rate of 9 liters per minute. how many minutes have passed, m, when the tank contains 211 liters?

Write an explicit formula that represents the sequence defined by the following recursive formula:

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191