if two lines are perpendiculer, which statement must be true A. Their are opposites B. Their slopes are equal. C. Their slope are negative reciprocals. D. Their slopes are reciprocals.

Use the normal approximation to the binomial distribution to answer this question. fifteen percent of all students at a large university are absent on mondays. if a random sample of 12 names is called on a monday, what is the probability that four students are absent?

Someone answer asap for ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

30 points if you answer all 3 questions with work!