The answer is B
F(x)=x(0.4)^19+7
Answer:
-4 x -4 = -16
4 x 4 = 16
^2 or to the power of 2 basely means 4 times itself, because 2.
For 7 days,Keisha has drunk the average amount of water.
Answer:
this is my old account and these still dont have answers
Step-by-step explanation: