Find the vertex, focus, and directrix of the parabola x² = 7y.
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Mathematics
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Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
Convert the numeral to a numeral in base 10.13716
A. 26 B. 4976 C. 215 D. 311
Mathematics
Solve for x.3-2x + 6 = 9
A. {-2} B. {2} C. {3} D. {-3}
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 
, x ? -9; g(x) = x2 + 9
A. Yes B. No
Mathematics