Can somebody help me with my language arts please???

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

Find the slope of a line given the following two points

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.