Add or subtract as indicated. Express the answer in feet and inches.19 ft 4 in. - 11 ft 11 in.
A. 8 ft 5 in.
B. 30 ft 5 in.
C. 8 ft 7 in.
D. 7 ft 5 in.
Answer: D
Mathematics
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Graph the fraction on a number line.
A. 
B. 
C. 
D. 
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Multiply.4(3x + 8y + 2)
A. 12x + 8y + 8 B. 12x + 32y + 2 C. 12x + 8y + 2 D. 12x + 32y + 8
Mathematics
Solve.-8x + 18 - 5x = -6x + 53
A. 5
B. - 5
C. - 
D. - 
Mathematics
Solve the problem.A searchlight is shaped like a paraboloid of revolution. If the light source is located 2 feet from the base along the axis of symmetry and the opening is 12 feet across, how deep should the searchlight be?
A. 9 ft B. 4.5 ft C. 18 ft D. 0.2 ft
Mathematics