Complete the equation of the line whose y-intercept is (0,5) and slope is -9.

-9x + 5  

Step-by-step explanation:

Slope Intercept Form = y = mx + b

where x = slope and b = y intercept

We are told that the slope is -9 and the y intercept is at (0,5)

So x = -9 and b = 5

that being said we plug in the values into the equation

Therefore y = -9x + 5  is your answer

The angle that the ladder makes with the ground at the maximum height is 65.37 degrees

Step-by-step explanation:

The triangle ABC is formed by the ladder and the wall is shown in the attached photo.

The angle that the ladder makes with the ground at the maximum height is represented as #. To determine #, we will apply trigonometric ratio

Sin # = 0pposite side / hypotenuse.

Hypotenuse = 110

Opposite side = 100

Sin# = 100/110 = 0.909

# = Sin^(-1)0.909

# = 65.37