Rationalise the denominator as per necessary and simplify.​

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

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.