Which equation is best represented by this graph? A. Y+2=7/5(x +7)
B. y-2 = 7/5(x-7)
C. y +2 =5/7 (x + 7)
D. y-2 = 5/7(x-7)

These question are hard can you me with answers

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.)

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on