What is the best estimate for the value of the expression? (34/8 - 16/3)- 19/9

A) -3
B) -2 1/2
C) 7
D) 7 1/2

Find the roots of the equation below. x^2 - 6 + 9 = 0

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

The suare root of 9x plus 7 plus the square rot of 2x equall to 7