Species a doubles every 3 hours and initially there are 6 grams. species b doubles every 4 hours and initially there are 11 grams. how long until the two species have the same mass?

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

What is the absolute value of the complex number -4-sqrt2i

Which of the following can be used to explain a statement in a geometric proof?