The area of a rectangle is 1,176 square meters. The width of the rectangle is 21 meters. What is the length of the rectangle?

given that triangle abc is equilateral and line bd is an altitude of triangle abc, how do i prove that line bd is also a perpendicular bisector is line ac?

During a promotion a music store gives a free CD to every 15th customer and free DVD to every 40th customer. Which customer will be the first to get both gifts?

Rewrite 12/17 as a decimal number. Round to the nearest thousandth.

1 plus 1/4 equals what?

You have at most $20 to spend at an arcade. Arcade games cost $.75 each, and snacks cost $2.25 each. Write an inequality that represents the numbers of games x you can play and snacks y you can buy.

Suppose you have a set of normally distributed data where the mean is 100 and the standard deviation is 15. what score is located at + 3 standard deviations?

Alexia has $4864.77 in her money market account currently. If the annual interest rate is 3.9%, and the interest is compounded twice per year, how much money will be in her account after 2 years?

Solve the inequality 4x-3 (x+1) > 2-4 (x+2)

Malcolm ran the 440 yard dash and the 220 yard dash a track meet. There are 3 feet in one yard. How many total feet did Malcolm run? Estimate first. Then check for reasonableness.

The distance between home and school is 4.5 miles. On a map it shows the distance to be 9 cm. What is the scale?