Solve the system of equations by the substitution method.
A. (8.8, -9.6)
B. (-8.8, -9.6)
C. infinite number of solutions
D. no solution
Answer: B
Mathematics
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Find the midpoint of the segment with the given endpoints.(7, -2) and (0, 5)
A. 
B. 
C. 
D. 
Mathematics
Find the vertices and foci of the hyperbola.
- 
= 1
A. Vertices: (-2, 10), (-2, -20); Foci: (-2, -20), (-2, 10) B. Vertices: (15, -2), (-25, -2); Foci: (20, -2), (-30, -2) C. Vertices: (10, -2), (-20, -2); Foci: (-20, -2), (10, -2) D. Vertices: (-2, 15), (-2, -25); Foci: (-2, 20), (-2, -30)
Mathematics
Find the approximate change in z when the point 
changes from 
to 
.
?
; from 
to 
?
A. -0.004
B. ?0.002
C. ?-0.04
D. ?0.004
E. ?-0.008
Mathematics
Factor the expression completely.
?
What will be an ideal response?
Mathematics