Evaluate the expression with the given replacement values.
when x = -7
A. - 
B. 
C. - 
D. 
Answer: D
Mathematics
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Write the rational expression as an equivalent expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Mathematics
Use the method suggested to compute mentally.Use front-end multiplying. 
A. 540 B. 539 C. 542 D. 541
Mathematics
Solve.The area of a rectangle with sides of length 
and 
is given by the function 
The area of a smaller rectangle inside of the larger rectangle is given by the function 
Find a function h that gives the area of the region inside the larger rectangle and outside the smaller rectangle.
A. h(x) = x4 + 17x3 + 34x2 + 45x
B. h(x) = 
C. h(x) = 2x2+ 17x + 45
D. h(x) = 11x + 45
Mathematics
Perform the indicated operation. Write the result in the form a + bi.
A. 0 + 
i
B. 0 - 
i
C. 0 - 
i
D. 0 + 
i
Mathematics