Solve.The period of vibration P for a pendulum varies directly as the square root of the length L. If the period of vibration is
when the length is
what is the period when 
A. 1.0 s
B. 4.8 s
C. 1.4 s
D. 5.0 s
Answer: A
Mathematics
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Solve the problem.An open box is to be constructed from a rectangular sheet of cardboard 8 feet wide by cutting out a 2-foot square from each corner and folding up the sides. The volume of the box is to be cubic feet. What is the length of the rectangle?
A. 24 ft B. 8 ft C. 12 ft D. 2 ft
Mathematics
Write the ratio as a fraction in lowest terms.27 miles to 60 miles
A.
B.
C.
D.
Mathematics
Provide an appropriate response.Solve the system of equations using the substitution method:2x + y = -7x - 4y = 10
A. x = , y = -2
B. x = 2, y = -11
C. x = -5, y = -3
D. x = -2, y = -3
Mathematics
Write as a percent. 0.0005
A. 0.5% B. 0.00005% C. 0.05% D. 0.005%
Mathematics