Answer:
AFCE = 30
P+Q = 11
Step-by-step explanation:
From the picture, you can see the figure can be decomposed into two identical large triangles with area 20, and 4 identical longer ones, that have to cover the remaining area 40, thus 10 each.
From that you can count the area.
Second puzzle is just trial and error.
Answer:
153. 86 units squared
Step-by-step explanation:
3. 14 x 7^2= 153. 86
Answer:
there will be 19 $100 bills
and 11 $10 bills
Step-by-step explanation:

If you put 5 which means its 2 1/2 ( I think) Because two 1/2 makes one.
Plug in -3 for x
f(-3) = 2(-3) - (-3 + 6)
f(-3) = -6 - (3)
f(-3) = -9
Solution: f(-3) = -9