The formula for the area of a triangle is giving by a=1 on 2 bh. solve for h

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =

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