Solve by the substitution method.-0.5x - 0.5y = -0.50.3x - 0.2y = -0.7
A. ?
B. {(-1, 2)}
C. {(-1.6, 4.3)}
D. {(2.3, 6.5)}
Answer: B
Mathematics
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A.
B.
C.
D.
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Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.a = 16.0 ft, b = 42.0 ft
A. 873.0 ft2 B. Not enough data C. 571.5 ft2 D. 772.5 ft2
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Solve the equation.-3y = 42
A. -45 B. -3 C. -14 D. 45
Mathematics
Evaluate the indicated power of i.i43
A. -i B. i C. -1 D. 1
Mathematics