Answer:
C. 21%
Step-by-step explanation:
Please kindly check the attached file for explanation.
Answer:
10
Step-by-step explanation:
- <u><em>5</em></u> is the coefficient
- <u><em>x</em></u> is the variable
- <u><em>+</em></u> is the operator
- <u><em>10</em></u> is the <u><em>constant</em></u>
Answer:
The angle of elevation is approximately 
Step-by-step explanation:
Notice that the two pieces of information given: "400 ft away from a building", and building that is "850 ft tall", can be regarded as the two legs of a right angle triangle (see attached image).
Then the angle
that we are trying to find (the angle of elevation) can be found by using the arc-tangent function:

(-5,-2)
Average the x and y values