Find the slope of the line (if it exists) and the y-intercept (if it exists).3y = 21
A. Slope undefined; y-intercept (7, 0)
B. Slope undefined; y-intercept (0, 7)
C. Slope 0; y-intercept (0, 7)
D. Slope 0; y-intercept (7, 0)
Answer: C
Mathematics
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= 
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