Answer:
C

Co efficient means the number or value beside preventing the variable from standing alone
3 5/6
I think, I haven’t done this in a long time.
Answer:
85.6cm
Step-by-step explanation:
Area of a triangle =1/2*b*h
Where base=19.5cm while the height is 8 4/5 = 8.8
Area = 1/2 * 19.5cm * 8.8cm
Area = 171.6cm/2
Area=85.6cm
The correct answer is y=-2
I hope this helps :)