Two water barrels have capacities in the ratio 10 to 9. The The larger barrel holds 12 gallons more than the smaller barrel. How much will each water barrel hold?

In the diagram below, tan θ = sqrt 3. what is the value of m?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

What is the value of x in the equation 2(x-4) = 4(2x + 1)?