Solve the problem.A straight trail with a uniform inclination of 18° leads from a lodge at an elevation of 800 feet to a mountain lake at an elevation of 7,100 feet. What is the length of the trail (to the nearest foot)?
A. 22,976 ft
B. 20,387 ft
C. 6,624 ft
D. 7,465 ft
Answer: B
Mathematics
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Apply Green's Theorem to evaluate the integral.
(y2 + 4) dx + (x2 + 1) dyC: The triangle bounded by x = 0, x + y = 1, y = 0
A. 0
B. 4
C. -3
D. 
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Convert the polar equation to a rectangular equation.? = 
A. x2 + y2 = 1
B. y = - 
x2
C. y = - 
x
D. y = 
x
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Find the value of the expression.|-4| + |6| - |-9|
A. 11 B. 19 C. -7 D. 1
Mathematics