Given a = ( 1.5,- 0.75) and b = (-3,2) find the direction of 4a + 2b.
A.

0.1° N of W
B.

4.8° N of W
C.

107.4° N of E
D.

173.6° N of E

Solving algebraic equations 2m+3=11

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

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.