Find the volume. Use ? ? 3.14. Round to the nearest tenth when necessary.a rectangular solid with width = 13 in., length = 23 in., height = 11 in.
A. 6877 in.3
B. 1859 in.3
C. 2783 in.3
D. 3289 in.3
Answer: D
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Graph the system of linear inequalities.2x + y ? 4y < 1 
A. 
B. 
C. 
D. 
Solve the problem.A contractor needs to know the height of a building to estimate the cost of a job. From a point 
away from the base of the building, the angle of elevation to the top of the building is found to be 
Find the height of the building. Round your answer to the hundredths place when necessary.
A. 80.32 ft B. 84.75 ft C. 81.85 ft D. 86.08 ft
Determine if the given ordered pair is a solution of the equation.x + y = 15; (8, 7)
A. Not a solution B. A solution
Solve.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 18 volts are applied, the current is 2 amperes. What is the current when 12 volts are applied?
A. 32 amps B. 1.33 amps C. 108 amps D. 9 amps