The answer to question 5 is D.5 and the answer to question 9 is (-2,-6)
Math uses numbers and equations, and science requires the scientific method and experimentation
Replace all variables in the given equation with the given values.

Answer: 37
Height of tree is given by the distance multiplied by the tangent of the angle of elevation:
Height = 30*tan(40) = 30(0.8391)=25.17 ft