Solve the proportion for the item represented by a letter.
?
?
A. 11
B. 18
C. 17
D. 15
E. 16
Answer: D
Mathematics
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Factor the difference of two squares. Assume that variables represent whole numbers.x2 - 36
A. (x - 6)(x - 6) B. (x + 6)(x - 6) C. (x + 36)(x - 36) D. (x2 + 6)(x2 - 6)
Mathematics
Find the Jacobian 
or 
(as appropriate) using the given equations.
A. 24v2 B. 12u2 C. 24u2 D. 12v2
Mathematics
Solve the system. 
+ 
- 
= 
- 
+ 
/> = - 
- 
+ 
- 
= 
A. 
B. {(-2, 1, 7)}
C. {(-2, 1, -7)}
D. 
Mathematics
Find the midpoint of the line segment formed by joining the points P1 and P2.P1 = (-7
, -9
); P2 = (-2
, -4
)
A. 
B. 
C. (-9
, -13
)
D. 
Mathematics