Answer:
12. 3:12
Step-by-step explanation:
that is 12
4x+9=3q
-3(2x-3)+10x=3q
-6x+9+10x=3q
x=5
7x-17=18
7x=18+17
7x=35
x=35/7
Cos(Angle) = Adjacent leg / Hypotenuse
Cos(X) = 3.5/4.6
X = arccos(3.5/4.6)
X = 40.46 degrees.
