Step-by-step explanation:
A=1/2(B1+B2)h is a trapezoid
A=1/2bh is a triangle
A=bh is a parallelogram
And A=Pir2 is a circle
Answer: (3, 13)
Step-by-step explanation:
If we let the point be P, then AP:BP=2:1.

The answer to this question is 4y+4
Mona subtracted 5 where she should have divided 5. If the equasion was. x+5=30 then she would have subtracted 5.
So for this you need to set them equal to each other! 3x+100=5x-160
now you combine like terms and solve!