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.
Rational expression refers to a fraction in which the numerator and denominator are polynomials.
Answer:
The answer is red. I used process of elimination to solve this. I know that blue, yellow, and green aren't correct, so it's red.
Step-by-step explanation:
Please tell me if I'm correct.
Answer:
Step-by-step explanation:


IMproper fraction is what you need to covert it 2 cuz u multiply then add and u'll get it