Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = 4, y = 1, z = 0; (4, 1, 0)
B. x = 0, y = 0, z = 1; (0, 0, 1)
C. x = 0, y = 1, z = 0; (0, 1, 0)
D. inconsistent
Answer: D
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Find the product.9x5(6x7 - 5)
A. 54x7 - 45 B. 9x5 C. 54x12 - 45x5 D. 54x12 - 5
Write an algebraic expression for the quantity. Let x represent the unknown value.Eight fewer than a number.
A. x - 8 B. 8 < x C. x < 8 D. 8 - x
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 8x - 5 = 0
A. {-4 ± 2
}
B. {4 ± 
}
C. {-1 ± 
}
D. {-4 ± 
}
Solve.A pizza maker wants 16% of the surface of a pizza to be the crust around the edge. If the radius of the pizza including the crust is r, and the crust has a uniform width, find the appropriate width c of the pizza crust. Round your answer to two decimal places, if necessary.
A. c = 0.92r B. c = 0.6r C. c = 0.08r D. c = 0.16r