Determine whether the ordered pair is a solution of the given equation.(2, 6)x - y = -8
A. Yes
B. No
Answer: B
Mathematics
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Evaluate the expression using the given values.
xy2; x = -5
, y = 
A. - 
B. - 
C. - 
D. - 
Mathematics
Use Cramer's rule to solve the system of linear equations.0.4x + 0.7y = -4 x - 0.7y = -0.2
A. No Solution B. (-0.3, -0.4) C. (-3, -4) D. (-4, -3)
Mathematics
Use a proportion to solve the problem.Joan can mow a 10-acre field in 3 hours. How long would it take her to mow a 5-acre field?
A. 4.5 hours B. 3.5 hours C. 1.5 hour(s) D. 0.5 hour
Mathematics
Solve the logarithmic equation.log27 
= 
A. 143.296115 B. 6 C. 387,420,492 D. 12
Mathematics