a sphere has a great circle with a circumference of 20pi inches. what is the surface area of the sphere?

Write statements to declare and initialize two variables: one, named element_number can hold any of the integer values 1 through 118; the other, named atomic_weight can hold the atomic weight of the given element; atomic weights are values like 3.76.

Carl and Rita ate breakfast at the local diner. Their bill came to $11.48. They gave their waitress a tip that was 25% of the bill. How much money did they give the waitress for her tip?

Joy makes 6.5 litres of soup, correct to the nearest 0.5 litre. She serves it the soup in 280ml portions, correct to the nearest 10ml. 22 people order this soup, Does joy definitely have enough soup to serve the 22 people

7x+12y=52 solve for y

How many pairs of whole numbers equal 40

A food company distributes its tomato soup in two cans of different sizes. For the larger can, the diameter has been increased by 30%, and the height remains the same.

A machine produced 75 widgets an hour. How many does it produce in 6 minutes

What does fregmant means

How can you use addition and subtraction to put together and separate measures of an angle and its parts?

What fraction and decimal in hundredths, is equivelant to 7/10