Help pls also show work if needed!

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?