How many subsets and proper subsets are in the given set?{0}
A. 0, 1
B. 1, 0
C. 1, 2
D. 2, 1
Answer: D
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Solve the problem.How many liters of a 70% alcohol solution must be mixed with 60 liters of a 90% solution to get a 80% solution?
A. 6 liters B. 120 liters C. 60 liters D. 12 liters
Solve the problem.The voltage E in an electric circuit carrying alternating current can, under idealized conditions, be described by 
If the maximum voltage Emax is 0.0254 and 
what is the voltage in the circuit at 
seconds?
A. -0.0242 volts B. -0.0202 volts C. 49.0 volts D. 0.00776 volts
Illustrate Goldback's conjecture for the following number.30
A. 2 ? 3 ? 5 B. 5 + 25 C. 15 + 15 D. 7 + 23
Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.15x2 + 19x + 6
A. (15x + 2)(x + 3) B. (3x + 2)(5x + 3) C. (3x - 2)(5x - 3) D. prime