Can y’all plz help me with this question plz thx

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.  

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Find two consexutive odd integers such that the sum of their square is 650