If 7,200 bacteria, with a growth constant k=1.8 per hour, are present at the beginning of an experiment, in how many hours will there be 15,000 bacteria? Round to the nearest hundredth.
Use formula P = Ae^kt Where t is time in hours.

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.