From what we know, p is 20 more than q. So, we can assume p = 20 + q. Q can also be found by subtracting 20 from both sides. So, q = p - 20.
Hope this helped!
The answer would be the first choice. 
Explanation: The reason for this is that the question was pretty much just asking what the area of the resulting two-dimensional cross section would be -the shape in gray- (which can be found by using the formula
. To add on, since the dimensions of the shape are already given (5 and 3) all you've to do is multiply: 3*5=15
That's how you get to the answer.
Hello,

That means that we must first obtain x, then we replace x in the function to get y, so:
Answer: V=(-4 , -4)
Is there a fraction or a number line to explain you question?☺
3500*10= 35,000 the answer to the question