I have no idea what’s going on

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 height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?