A farm uses a circular system to water the crops. The arm on the system (the radius) is 400 meters long. What area of land can it water? Use 3.14 to approximate pi.

What number has 2 more tens than 11

How to increase 429 grams by 31%

An oil storage tank ruptures at time t = 0 and oil leaks from the tank at a rate of r (t) = 80e-0.05t liters per minute. How much oil leaks out during the first hour? (Round your answer to the nearest liter.)

Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one same-day ticket is $75. For one performance, 40 advance tickets and 25 same-day tickets were sold.

Which sampling method would most likely be used in a poll of voters regarding a referendum calling for a national highway development program ?

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.