I'll gladly help you, but I can't really read that.
Answer:
Dave needs to mow 14 lawns to have enough money to buy a bike.
Step-by-step explanation:
180-40=140, 140/10=14. Dave needs to mow 14 lawns to have enough to buy a bike.
-2 + Y = 8
Y = 10
Plug in Y to the first equation, 10 + 4 = X
X = 14
<span> </span> <span>if you want to determine the perimeter / length, use a normal measure - ft.
The area is

<span>and the volume</span></span>
A) the greatest common factor is how to factors something
for this case x is the gcf
x(x^2 - 4) is the answer
B) Cannot be factored there is no common factor.