Select all equations that have infinitely many solutions.

5x + 10 = 5x + 20

4(2x – 5) = 8x – 20

5x + 8 – x = 20 + 4x – 12

15x – (10 + 5x) = 20x – 10

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.  

Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)

Solve for x. −3/4(x+2)=6 enter your answer in the box