What is 2 x 2 x 2 x 2 x 2 x 2 + 450?

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years