Ken brought snacks to soccer.
He brought 2 packages of 10 granola bars plus 4 extra.
How many granola bars did he bring in all?
A.6
B. 24
C. 34
D. 40

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Me n o w. i need t h i s. 10 points