Solve the system of equations by the substitution method. x - 3y = -30-5x - 4y = -2
A. {(-7, 9)}
B. {(6, 9)}
C. {(-6, 8)}
D. ?
Answer: C
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Complete the horizontal analysis for the comparative income statement. Round to the nearest tenth of a percent.
A. 27.6%, -35.7%, 28.9%, 7.6%, 40.6%, 34.4%, 41.0% B. 13.7%, -107.1%, 14.7%, -32.3%, 18.6%, -278.1%, 17.5% C. -27.6%, 35.7%, -28.9%, -7.6%, -40.6%, -34.4%, -41.0% D. 21.6%, -55.6%, 22.4%, 7.0%, 28.9%, 25.6%, 29.1%
Solve.?x + 3? + 6 = 12
A. No solution B. 3 C. -3, 9 D. -9, 3
For the complex fraction, determine the LCD of all the fractions appearing within the expression.
A. 2x2(x + 3)(x - 1) B. 2x(x + 3)2 C. x(x + 3)(x - 1) D. 2x(x + 3)(x - 1)
Find the volume of the circular cone. Use 3.14 or 
for ? as indicated and round as indicated. Use 3.14 for ?. Round to the nearest hundredth.
A. 512.87 mi3 B. 1538.6 mi3 C. 36.63 mi3 D. 2051.47 mi3