Simplify by writing the expression using only positive exponents.
A. 
B. x7
C. x3
D. 
Answer: A
Mathematics
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Express the limit as a definite integral.
?xk; [-5, 2]
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Mathematics
Use =, <, or > to write a true statement.
A. = B. > C. <
Mathematics
Solve the problem.The following table shows the July electric bill of selected homes in Cincinnati along with the number of rooms in each home. 
Find the equation of the line of best fit for the number of rooms and the electric bills, and use it to predict the bill for a home with 11 rooms.
A. y = 11.8x + 43; $168 B. y = 12.1x + 44; $177 C. y = 12.1x + 47; $163 D. y = 10.2x + 51; $178
Mathematics
Find the standard form of the equation of the ellipse satisfying the given conditions.Center at (0, 0); Focus at (0, -2); Vertex at (0, 6)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics