Write a logical statement representing the circuit.
A. (p ? q) ? (r ? s)
B. (p ? q) ? (r ? s)
C. p ? (q ? r) ? s
D. (p ? q) ? (r ? s)
Answer: D
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Solve the system by the substitution method. Be sure to check all proposed solutions.x + y = 6y = 2x
A. {(-2, 8)} B. {(2, 4)} C. {(3, 3)} D. {(1, 5)}
Use conversion factors to convert the units of measure.7 feet to inches
A. 84 in. B. 252 in. C. 28 in. D. 21 in.
Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.- 
A. rational, real B. integers, real C. irrational, real D. real
Provide an appropriate response.Can you find the sum of the infinite geometric series 3 + 9 + 27 + . . . ? Why or Why not?
A. Yes. This is a geometric series. B. No. This is not a geometric series. C. Yes. The common ratio, r, is less than 1. D. No. The common ratio, r, is greater than 1.