Convert the first rational expression into an equivalent one that has the indicated denominator.
, 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Compute the gradient of the function at the given point.
A. 
i - 
j
B. - 
i - 
j
C. - 
i + 
j
D. - 
i + 
j
Mathematics
Perform the indicated operation.
A. 1 B. Undefined C. 0 D. 65
Mathematics
Simplify the expression by combining like terms. 19.5y + 6.2 - 8.8y - 11.6
A. 11.7x - 5.4 B. 5.3x C. 10.7x - 5.4 D. 10.7x + 5.4
Mathematics
Write an expression to state the problem and simplify.The length L of a rectangle is 7 inches more than the width W. What is the perimeter of the rectangle?
A. (W + 7) + W; 2W + 7 inches B. W(W + 7); W2 + 7W inches C. 2(W + 7) + 2W; 4W + 14 inches D. Cannot be solved
Mathematics