A parallelogram has an area of 1,049.62 square kilometers and a height of 36.7 kilometers. What is the length of the base?

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?