A patient needs 0.5L of ½ NS over 120 minutes. What is the flow rate in mL/hr?

Which one is true about the hexagons ?

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?