In 1950, the use of coal in the US was 114.6 million tons. The use of coal has decreased by 6.6% per year since then. Estimate the amount of coal used in the US in 2010. Round to the nearest tenth of a million tons.

A student creates a function to represent the cost of pencils available for purchase at the school store. The school charges 5 cents per pencil for up to 20 pencils. What is the domain of the function? A.) all integers from 0 to 20 B.

If anna had 50 apples and jack had 75 green apples how much is all together

If f (x) = - 3x + 4 and g (x) = x squared, find (g*f) (-2)

What's the ratio of 2 frogs to 5 turtles

The figure shows a barn that mr fowler is building for his fame

Write 3 examples of numbers that are rational.

0.55% as fraction in simplest form

Roxanne spent 65 minutes in total on research. This represents 20% of the total time she spent on the assignment. How many minutes in total did she spend on her assignment?

Each week Suzanne and Sarah drink 2 gallons of milk. HGow many iounces of milk do they drink each Week?

How do you solve break even problems?