Solve the system by the best method. Use set notation to express the solution set.
A. no solution; ?
B. {(5, -6)}
C. {(4, -5)}
D. {(-5, -5)}
Answer: B
Mathematics
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Find IR and R3.
E = 24 V, R1 = 1200 ê, IR = 13 mA, and R2 = 3300 ê. Find IR and R3.
1 2
Mathematics
Solve the problem.At a movie theater, 46 more people attended the early show than the late show. There were 324 people who saw the movie that night. How many people attended the late show?
A. 139 B. 278 C. 370 D. 185
Mathematics
Determine the degree of the polynomial.-5x2 + 8x3 + x - 9
A. 2 B. 8 C. -5 D. 3
Mathematics
Solve the problem.If n(A) = 15, n(A ? B) = 43, and n(A ? B) = 11, find n(B).
A. 39 B. 28 C. 38 D. 40
Mathematics