Solve the problem.The area A(r) = ?r2 of a circular oil spill changes with the radius. At what rate does the area change with respect to the radius when 
A. 14? ft2/ft
B. 14 ft2/ft
C. 7? ft2/ft
D. 49? ft2/ft
Answer: A
Mathematics
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Let x be a number. Translate the English phrase or sentence into a mathematical expression. The quotient of -46 and a number
A. x - 46
B. 46 - x
C. 
D. 
Mathematics
Provide an appropriate response.Factor by removing common factors after grouping: 6x2 + 3x - 2ax - a
A. 2x(3a - 1) B. (2x + 1)(3x - a) C. (2x + a)(3x - 1) D. 3ax(2x + 1)
Mathematics
Simplify.i9
A. 1 B. i C. -i D. -1
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 7x
B. 
C. 
D. 0
Mathematics