Multiply.(p + 9q)(p - 9q)
A. p2 - 18q2
B. p2 + 18pq - 81q2
C. p2 - 81q2
D. p2 - 18pq - 81q2
Answer: C
Mathematics
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Provide an appropriate response.Earnings from the sale of goods or services is called gross profit.
A. True B. False
Mathematics
Determine whether the function is continuous at the given point c. If the function is not continuous, determine whether the discontinuity is removable or nonremovable. f(x) = cos 
; c = 0
A. Discontinuous; removable, define f(0) = 0 B. Continuous C. Discontinuous; nonremovable D. Discontinuous; removable, define f(0) = 1
Mathematics
Solve the system by graphing. 3x + y = 16 4y = 64 - 12x
A. (5, 1) B. Infinitely many solutions C. No solution D. (0, 16)
Mathematics
A particular solution of the differential equation 
is
Select the correct answer.
?
A. 
B. 
C. 
D. 
E. 
Mathematics