In a lab experiment, 310 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 30 hours. How long would it be, to the nearest tenth of an hour, until there are 440 bacteria present?l

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?