Answers: Independent, Values, Pattern,$55, Variables, Equation, $50, Dependent, Substitute, Someone please help me?

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

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?