Solve the system using the matrix inverse method. x + 3y = -8 21x + 6y = 3
A. {(3, -1)}
B. {(-3, 1)}
C. {(1, -3)}
D. {(-1, 3)}
Answer: C
Mathematics
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Solve the equation for the unknown quantity x.8x/2 = 44
A. 2.43 B. 1.36 C. 0.27 D. 3.64
Mathematics
Solve the problem.An airplane travels at 185 km/h for 5 hr in a direction of 112° from a local airport. At the end of this time, how far east of the airport is the plane (to the nearest kilometer)?
A. 858 km B. 374 km C. 998 km D. 347 km
Mathematics
Write the decimal as a fraction or mixed number in lowest terms.4.6
A. 
B. 
C. 4
D. 1
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 4x - 1Find 
.
A. (
)(x) = 
; {x|x ? 
}
B. (
)(x) = 
; {x|x ? 0, x ? 
}
C. (
)(x) = 
; {x|x ? 0}
D. (
)(x) = 
; {x|x ? 0}
Mathematics