There are 15 students on a yearbook committee. 40% of the students are females. how many students on the committee are males?

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

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?