Solve the system of equations by the substitution method. Check your solutions. For any dependent equations, write your answer in the ordered pair form.
A. {(0, 0)}
B. {(10, 10)}
C. {(0, 10)}
D. {(10, 0)}
Answer: B
Mathematics
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The height of a staircase is a linear function of the number of steps.
Answer the following statement true (T) or false (F)
Mathematics
Plot the point.(-5, 3)
A. 
B. 
C. 
D. 
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Express as a sum of logarithms.log8 (13 ? 9)
A. log 13 + log 9 + log 8 B. log (13 + 9 + 8) C. log4 13 + log4 9 D. log8 13 + log8 9
Mathematics
Complete the identity.csc2 
= ?
A. 
B. 
C. 
D. 
Mathematics