Help me please i could really use some help

Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r