Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so.x - 3y = 136x - 4y = -6
A. {(5, -5)}
B. {(-5, -6)}
C. {(-6, -5)}
D. ?; inconsistent system
Answer: B
Mathematics
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Find the requested part of the triangle. Round your answer to two decimal places.Find the measure of the angle A in degrees. 
A. 56.14° B. 32.06° C. 35.96° D. 33.86°
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Use the formula for 
to solve.In how many ways can a group of 6 students be selected from 7 students?
A. 1 B. 7 C. 6 D. 42
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Solve the problems.In a surveyed area, 96.7% of the residents signed up for the local park district pool pass. Write this percent as a decimal.
A. 9.67 B. 96.7 C. 0.0967 D. 0.967
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Give all possible rational zeros for the polynomial.f(x) = 5x24 + 7x18 + 2x - 10
A. ±1, ± 
, ±2, ± 
, ±5, ±10
B. ±1, ±2, ±5, ±10
C. ±1, ± 
, ±5, ± 
, ± 
, ± 
D. ±1, ± 
, ±2, ±5, ±10
Mathematics