Simplify the expression below
(-4x^3+ 2x^2 - 3x)

+

(x^3+ 2x^2+3x)

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

One of the problems with our current election system is? ?

The motion of a weight that hangs from a spring is represented by the equation h=8sin(2pi/3t). it models the weight’s height above or below the rest position as a function of time. approximately when will the object be 3 inches above the rest position?