If roberto estimated that 5 out 8 automobiles have sun roofs. if he sold 72 automobiles, how many do not have sun roofs?

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

How to determine whether two known pairs of points are on the same line.