Please help me! I need this answer

For the first 3 questions, fill out exactly what you see in the picture. So, the first answer is , the second one is x, and the third one is y. Now, since we know this is a 45 - 45 - 90 triangle, we can figure out all of the other sides. AB is the same as AC, so your answer for the fourth one question will be . The hypotenuse in a 45 - 45 - 90 triangle is a side times , so your last answer will be .

Her conclusion that 90% of the student body wants the colors changed is an INCORRECT conclusion. The 90% out of 100% is not referring to the total numbers of the student body.For example, 100 people are members of student body if only 50 members responded the survey, then we have:
 90% of 50 members who answered the survey said that they want the changed.