Solve the equation by first clearing it of fractions or decimals.0.4x - 0.4 - 0.5x = 0.8 - 0.2x - 0.6
A. x = 10
B. x = -8
C. x = 6
D. x = 8
Answer: C
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Determine whether the sequence of vertices is an Euler circuit.
A ? B ? C ? D
A. No B. Yes
Solve the problem.A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 26 feet. If the distance across the top of the mirror is 56 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Translate the problem to a system of equations, then solve using Cramer's Rule.The perimeter of a rectangle is 24 meters. If the width is doubled and the length is tripled, the perimeter is 60 meters. Determine the original width and length.
A. width = 10 m, length = 20 m B. width = 8 m, length = 12 m C. width = 6 m, length = 6 m D. width = 12 m, length = 12 m
Solve the problem.A sports club is attended by adults in the ratio of 4 women for every 7 men. A total of 378 men attended the club yesterday. How many women attended?
A. 216 women B. 265 women C. 382 women D. 420 women