Question 9 please
I will assume tan y is tan S
Tans = opp / adj = x / (x+14) = 8/15
8(x+14) = 15x
x = 16
Pythag theorem 16^2 + 30^2 = QS^2 solve for QS
cos RQS = adj / hyp = 16/(the value you found for QS above) = .........
+36915 
