Solve.A fire fighter needs to estimate the height of a burning building. She estimates the length of her shadow to be 7
feet long and the length of the building's shadow to be 30 feet long. Find the height of the building if the fire fighter is 5
feet tall.
A. 45 ft
B. 50 ft
C. 37.875 ft
D. 20 ft
Answer: D
Mathematics
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Graph the function as a solid curve and its inverse as a dashed curve.f(x) = x3 + 3
A. 
B. 
C. 
D. 
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A. 
B. 
C. 7
D. 
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Find all rational zeros of f. Then (if necessary) use the depressed equation to find all roots of the equation f(x) = 0.f(x) = x4 - 2x3 - 10x2 + 8x + 24
A. {2, -2, 1 + 
, 1 - 
}
B. {0, -2, 1 + 
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}
C. {2, -2, -1 + 
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}
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Mathematics