7, 2 , -3 , -8 -13, . .a. an = 5n - 12b. an = -5n + 7c. an = 2n - 7d. an -5n + 12

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking

In the diagram, bc¯¯¯¯¯∥de¯¯¯¯¯ . what is ce ? enter your answer in the box.