What is the sum of the first eight terms of the geometric
series 2 + 6 + 18 +54 +- ?

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?

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73