Perform the operation and write the result in the standard form.(9 + 2i)(9 - 9i)
A. 99 - 63i
B. 63 + 99i
C. -18i2 - 63i + 81
D. 99 + 63i
Answer: A
Mathematics
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Add or subtract as indicated.
+ 
A. 
B. 
C. 
D. 
Mathematics
Reverse the order of integration and then evaluate the integral.
A. 3 sin 8 B. 8 cos 3 C. 3 cos 8 D. 8 sin 3
Mathematics
Provide an appropriate response.The amount of insurance usually required to meet the coinsurance clause is:
A. 100% of your dwelling's replacement cost B. 80% of your dwelling's replacement cost C. 50% of your dwelling's replacement cost D. 60% of your dwelling's replacement cost
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.49x2 - 16y2
A. (7x + 4y)(7x - 4y) B. prime C. (7x + 4y)2 D. (7x - 4y)2
Mathematics