The first one is the answer you're looking for
I too also need this answer.
The Correct Answer Is: A
Any Triangle That Has A 90 Degree Angle Is A Right Angle.
<span>It mainly means 'simplifying an expression down to a single numerical value', I believe.</span>
If you drive 1000 miles, then you would multiply $0.05 * 1000 miles =$50.