Solve the system of equations using determinants.5x + 6y = 14 3x + y = -2
A. (-4, -2)
B. (-2, 4)
C. (4, -2)
D. no solution
Answer: B
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The table below shows the initial population and growth rate for several large cities. City City 1 City 2 City 3 City 4 Initial population (millions) 8.41 4.77 2.44 5.61 Growth rate 0.17 million per year -0.21 million per year -3.38 million per year 4.13 million per year? Use a formula to express the expected combined population N, in millions, of the four cities after t years. ?
A. 
B. 
C. 
D. 
For the given arithmetic series, what is Sn?a1 = 25, d = -3, and n = 18
A. -18 B. -9 C. 16 D. -36
Decide which of the 5 properties of a commutative group (closure, identity, inverse, associative, commutative) hold for the given system.
A. All of them B. Closure, identity, associative, and commutative only C. Closure, identity, inverse, and commutative only D. Closure, identity, and inverse only
Divide the polynomial by the monomial.
A. 3x3 - 10x2 + 7x B. 6x2 - 20x + 14 C. 3x2 - 10x + 7 D. 3x3 - 20x2 + 14x