For the problems below you are given one trig ratio and the quadrant of the angle. you are to find the other 5 trig ratios. 1. sin(a)= -12/13 and a is in quadrant III 2. cos(B)= 1/3 and B is in quadrant IV 3. sin(y)= 3/4 and y is in quadrant I
(REAL ANSWERS ONLY, ANY FALSE ANSWERS OR COMMENTS WILL BE REPORTED)

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m