Solve the problem.A tunnel is to be constructed, 100 ft long and 60 ft wide at the base. The cross section is shaped like the curve 
Upon completion, the tunnel's inside surface (excluding the roadway) will be treated with a sealer that costs $1.50 per square foot to apply. How much will it cost to apply the sealer?
A. $10,944.06
B. $14,263.15
C. $13,173.26
D. $8782.17
Answer: C
Mathematics
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Solve.
= 5
A. ±13j B. 13 C. ±13 D. 13j
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What will be an ideal response?
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Given two parallel lines, suppose that the bisectors of two interior angles on the same side of a transversal are drawn to meet at a point. Find the measure of the angle formed by the angle-bisectors.
What will be an ideal response?
Mathematics
Solve using the elimination method. Use a graphing calculator to check your answer. x - 4y = -22 6x - 5y = 1
A. (5, 8) B. (-6, 8) C. (6, 7) D. No solution
Mathematics