The sum of the angle measures of a polygon with n sides is 1260. find n.

If you are just building your payment history, how many points from a perfect score will you possibly miss?

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters