I'd say its D but im not quite sure, its what makes most sense to me.
Answer:
2 x 4 =8
Step-by-step explanation:
You find the slope of the line by using the formula 
where x1 and y1 is the first point, and x2 and y2 are the second point.
Answer:
90 degrees is a right angle.
Step-by-step explanation:
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^ That would be a 90 degrees angle.
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Imagine this is a graph, that little square of the right would represent 90 degrees.
Angles less than 90 are acute angles, angles over 90 but under 180 degrees would be obtuse, and angles that are equal to 180 degrees are straight.
