The average cost for a gallon of gasoline increased from $2.56 one year to $3.18 the next year. what is the percent of increase, rounded to the nearest whole number?

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?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.