The polynomial function f(x) with roots 4 – 13i and 5 have factor of x - (4 - 13)
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more number and variables.
Polynomial function f(x) has roots 4 – 13i and 5. Hence:
x = 4 - 13i; and x = 5
x - (4 - 13) = 0; and x - 5 = 0
f(x) = [x - (4 - 13)](x - 5)
The polynomial function f(x) with roots 4 – 13i and 5 have factor of x - (4 - 13)
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The correct expression to convert the 22 AUD into USD is option A.
<h2>
How do you convert the Australian dollars into US dollars?</h2>
Given that the value of 1 US dollar is equal to the value of 2 Australian dollars. We can write this as given below.
1 USD = 2 AUD
1 AUD = 1/2 USD
The 22 Australian dollars can be converted as,

Hence the correct expression to convert the 22 AUD into USD is option A.
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brainly.com/question/19943359.
Answer:
The distance of the foot of the ladder to the building is 14 ft.
Step-by-step explanation:
The length of ladder = 20 ft
Angle formed by ladder with level ground, θ = 46
We are required to find out the distance of the foot of the ladder from the building
The above question can be found out by using trigonometric relations as follows;

The adjacent side of the right triangle formed by the ladder the building and the ground is the distance of the foot of the ladder from the building
The hypotenuse side is the length of the ladder = 20 ft
Therefore;
Adjacent side of triangle = Hypotenuse × cosθ
∴ Distance of the foot of the ladder from the building = Hypotenuse × cosθ
Distance of the foot of the ladder from the building = 20 ft × cos(56)
Distance of the foot of the ladder from the building = 13.893 ft
To the nearest foot, the distance of the foot of the ladder to the building = 14 ft.