Can someone if you can you are amazing and awesome

i cant figure these out will give brainliest to best answer

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.