Perform the indicated operations. Show all necessary work. A) - 1.424 - 2.9
B) 1.424 - (-2.9)
C) - 1.424 - (-2.9) - 0.576

Please show your work on how you got it, i dont just want the answer

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.)

Which function families have maximums and minimums? 1.)linear absolute value functions and exponential functions 2.) linear absolute value functions and quadratic functions 3.) linear absolute value functions and linear functions 4.) linear absolute value functions and constant functions

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)