If sin yº = a/6 and tan yº = a/b what is the value of cos yº? (6 points)

cos yº = 6/b cos yº = 6a
cos yº = 6b cos yº = b/6

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Really need on these. i have no idea what to do

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5