Solve the system of equations.x + 3y + 5z = -18 5y + 4z = -11 z = -4
A. ?
B. {(-1, 1, -4)}
C. {(-1, -4, 1)}
D. {(-4, 1, -1)}
Answer: B
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If a triangle has vertices of 
and 
then the area of the triangle is given by 
Find the area of the triangle with vertices at the given points.(-4, 3) (-1, -4) (5, 1)
A. 41 B. 28.5 C. 57 D. 20.5
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 1 - 
x
A. No; x has a fractional coefficient B. Yes; degree 4 C. Yes; degree 1 D. Yes; degree 0
Find an equation for the hyperbola described.center at (7, 6); focus at (1, 6); vertex at (6, 6)
A. (x - 7)2 - 
= 1
B. (x - 6)2 - 
= 1
C. 
- (y - 6)2 = 1
D. 
- (y - 7)2 = 1
Subtract.(9n7 + 14n4 + 3) - (-10n4 + 7n7 + 11)
A. 18n11 B. 2n7 + 21n4 + 14 C. 2n7 + 24n4 - 8 D. 2n7 + 24n4 + 14