Answer:
8-9y
Step-by-step explanation:
(-3*3y)+(3*1)+5
=-9y+3+5
=8-9y
Please Rewrite you question so it makes sense.
Good Luck :D
A=spr=(180-90)÷2=45
answer: a=45
B. Because since all angles are equal to 180 you have to do 180-90-50 which equals 40
I hope my answer is correct