Please help
9(2+17)+13z=17

How do you solve a question like this?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Amy is plan her school's new basketball court. the west edge of the basketball court is located on the line y = 5x + 2. the east edge cannot intersect with the west edge. on which line could the east edge be located? −y − 5x = 100 y + 5x = 100 −5x − y = 50 5x − y = 50