Find any values of the variables that must be excluded.
A. y = 
B. y = 3
C. y = 3, y = -3
D. y = 9
Answer: C
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = csc t, y = 9 cot t, t = 
A. y = -18x + 9
B. y = 3
x - 18
C. y = 18x + 3
D. y = 18x - 9
Mathematics
Solve.
= 
A. - 
B. No solution
C. 
D. 
Mathematics
Convert as indicated.164 mg to grams
A. 0.164 grams B. 16,400 grams C. 1.64 grams D. 164,000 grams
Mathematics
Solve the system of equations by the substitution method.-4x + 7y = 592x - 5y = -43
A. {(1, 9)} B. {(1, 10)} C. {(0, 10)} D. ?
Mathematics