What information is not necessary to find the area of a circle?

Two angles are supplementary angles if the sum of their measures is 180. Find two supplementary angles such that the measure of the first angle is 18 degrees less than three times the measure of the second.

If a train leaves the station at 7:00 AM and travels at 56 mph, at what time would it arrive at the next town that is 450 miles away?

Evaluate 0.1m + 8 - 12n when m = 30 and n = 1/4

A volley ball team won 60%, or 18, of the games they played last year. Write and solve an equation to determine the number of games the volleyball team played. How many games did they lose?

A recipe requires 1/4 lb of onions to make 3 servings of soup mark has 1.5 lbs of onions how amy sevings can mark make

The sum of two numbers is 66. The smaller number is 12 less than the larger number. What are the numbers

What is 16/9 as a mixed number

Student movie tickets cost $8.75. Adult movie tickets cost $10.25. Write a function that shows the total cost for s student tickets and a adult tickets?

12.88t - 103.04 = 5.52t - 44.16

Greenland, the largest island in the world, is 21 times larger than Iceland. The combined area of Greenland and Iceland is 880,000 mi2. Find is the area of Greenland.