Kala, charlie and scott sent a total of 98 messages. charlie sent 6 fewer than kala. scott sent 2 times as much as charlie. how many messages did they each send?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300