Which angles could form an obtuse triangle? a. 62°, 39°, 79° b. 46°, 92°, 42° c. 40°, 40°, 100° d. 22°, 78°, 80°

Aliter of water contains about 3.35 x 10^25 molecules. a certain river discharges about 2.9x 10^8 l of water every second. about how many molecules does the river discharge every minute? write your answer in scientific notation