Find the slope and the y-intercept of the given line.5x + 7y = 48
A. -1
; 
B. 
; 
C. - 
; 
D. 1
; 
Answer: C
Mathematics
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Solve the system. x + y + z = 5 x - y + 2z = -34x + 4y + 4z = -7
A. {(5, -4, 4)} B. {(5, 4, -4)} C. ? D. {(-4, 4, 5)}
Mathematics
Solve the application problem. Round to the nearest cent.
How much should be deposited semiannually into a sinking fund over 5 years to accumulate $159,000 if the money earns 8% compounded semiannually?
A. $9,544.77 B. $13,869.57 C. $13,243.11 D. $27,103.14
Mathematics
Find the vertex, focus, and directrix of the parabola x² = 7y.
What will be an ideal response?
Mathematics
Find the measures of the angles or the side lengths as indicated.Find the lengths of the other sides of the parallelogram.
= 55 and 
= 30 
A. 
= 55 and 
= 30
B. 
= 55 and 
= 30
C. 
= 55 and 
= 55
D. 
= 55 and 
= 30
Mathematics