The law of cosines is a2 +b2-2abcosC = c2. Find the value of 2abcosC.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

See attachment below and find the equivalent of tan(∠qsr)

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile