A poster is 6 feet tall and 3 feet wide. What is it's perimeter?

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

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?