The level of disslove oxygen in a stream or river is an important indicator of the water ability to support aqutic life. A seacher measure the Do level at 15 randomly chosen location along a stream. A dissolved oxygen level below 5mg/i put aqatic life at risk. Conduct a significance test use a=0.05 to determine the aqatic life is at risk

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

What term makes it inconsistent y=2x - 4

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .