3lines are shown. one line has points b, a, and e. another line with points c, a, f intersects that line at point a. another line comes out of point a and contains point d.
which rays are part of line be? ray a c and ray a e and ray a c and ray a b ray a b and ray a f

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Write a similarity statement for the similar triangles. afgh ~ a