At a college 66% of courses have final exams and 41% of courses require research papers. Suppose that 27% of courses have a research paper and a final exam. Find the probability that a course has a final exam or a research paper.

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?