Can someone please help me with #2,3,5 ( for Brainliest)

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2

The equation y= -16t^2+120 can be used to represent the fridge height above the ground where ti represents time in seconds after she threw the apple how long does it take the apple to hit the ground running your

Evaluate f(x) when x = 3. f(x) = 16x? +2 if 6 < x < 9 112 if 9 x < 13 a: 110 b: 56 c: 74 d: 12