Answer:
Step-by-step explanation:
Function is negative when graph line lies below the x - axis.
Answer:
x=12, y=60
Step-by-step explanation:
Because the oppsite lines are parallel (you can tell because of the arrows) the opposite lines are the same length and the opposite angles are the same size.
This means y = 60 and x + 3 = 15 so x = 12
I think its b but i am not surely sure so you might want to check with someone else
The picture below explains how to get your answer
hope it helps :)
Answer:240.5
Step-by-step explanation:
Angle C = 87°(calculated)
AB=C
AC=220=b
Sine laws c\sin87=220\66
c=240.5