Decide whether ?, ?, both, or neither can be placed in the blank to make a true statement.? {4, 19, 28, 43}
A. ?
B. ?
C. Neither
D. Both ? and ?
Answer: D
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 0 B. -12 C. 1 D. -4
Mathematics
Determine the standard equation of the ellipse described.Focus at (-7, 0); vertices at (-8, 0) and (8, 0).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Graph the given function as a solid line or curve and its inverse as a dashed line or curve on the same set of axes.f(x) = x3 + 4
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated.7 - (-4) + 1
A. 2 B. 12 C. 4 D. -2
Mathematics