Aculture started with 4000 bacteria. after 8 hours, it grew to 4400 bacteria. predict how many bacteria will be present after 9 hours.

answer: i think it's a

step-by-step explanation:

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

thats not a system of equations, that is a solution