Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.1.5x + 14.9y + 3.4z = 2.04.2x - 7.0y + 0.4z = -2.94.7x + 10.7y - 0.2z = 8.9
A. (1.1, 1.3, -4.8)
B. (0.2, 0.3, -1.0)
C. (0.5, 0.6, -2.2)
D. (0.1, 0.1, -0.4)
Answer: C
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Use scientific notation to solve the problem.The earth is approximately 92,900,000 miles from the sun. 
x 103 m, what is the distance to the sun in meters?
A. 5.7 x 1010 m B. 1.50 x 1011 m C. 5.7 x 10-10 m D. 1.50 x 1010 m
Solve graphically.2x + y = 9x = -2y
A. No solution B. Infinitely many solutions C. (6, -3) D. (6, 3)
Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = 
, y = - 
; (
, - 
)
B. x = 4, y = 8; (4, 8)
C. x = 2, y = 3; (2, 3)
D. inconsistent
Tell which set or sets the number belongs to: natural, whole, integer, rational, irrational, real.
A. real, rational B. real, integer C. real, whole D. real, irrational