James has three normal six-sided dice. he rolls all three of the dice at the same time and records the three numbers that land face up. what is the probability that the dice did not land on three-of-a-kind?

What kinds of numbers have an odd number of factors?

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.