The perimeter of a triangle is 80 meters. The first side is twice the second. The third side is 5 more than the first. Find the length of each side.

The length of the bridge is 500 miles. If 1 inch represents 25 miles, what is the length of the bridge?

During the "free banking" era, A. only the U. S. Treasury could issue currency. B. value and denominations were standard across the nation. C. the number of state chartered banks stayed the same. D. all banks were able to issue currency.

According to the Bureau of Labor and Statistics in 2014, the average salary of all female workers is $37,596. The average salary of all male workers is $45,500. What must be true about the average salary of all workers?

What is the arc length of an angle of 7pi/6 radians formed on the unit circle? A) pi/6 B) 5pi/6 C) 7pi/6

Classify the following expression: 3x

Does 40/100 equal to 2/3? Explain why or why not.

F (x) = 2x^2 + 5x + 20 Find f (-9)

The Mary boat cruise line charges a non-refundable fee of $150 and a fee of $280 a day on the cruise ship. The Billy Boat cruise line charges a non-refundable charge of $255 a day.

Solve 6x2 = 12x - 20.

Solve the proportion 7/22=9/4w with a fraction.