The Porters’ food, clothing, and medical expenses are not fixed expenses. Explain what type of expense they are, and why.

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

linear pair postulates

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides

noncoplanar points are points that do not lie on the same line.