In 2000, the average cost for a gallon of gasoline was $1.40. in 2007, the average cost for a gallon of gasoline is $2.60. what is the percent of increase rounded to the nearest whole number?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Select the two pairs of figures that are similar.