(6y-2y+5y)9
= 54y-18y+45y
80-10y
=10(8-y)
Answer:
90 degrees
Step-by-step explanation:
3\2 is the marked
y cos x,=2
3\2=0.5
x=0.5*2=3.0
=3.0*2=6.0
Answer: a
