Find the product using one of the formulas for the square of a binomial.(7x - 9)2
A. 49x2 - 126X + 81
B. 7x2 - 126x + 81
C. 49x2 + 81
D. 7x2 + 81
Answer: A
Mathematics
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Solve the problem.Chris lost $7.63 playing poker in one week. If this continued, what would be his net winnings or losses after five weeks?
A. -$381.50 B. $38.15 C. -$38.15 D. -$3815.00
Mathematics
Solve the problem.Suppose that the amount of oil pumped from a well decreases at the continuous rate of 
per year. When, to the nearest year, will the well's output fall to one-eighth of its present value?
A. 2 years B. 17 years C. 26 years D. 39 years
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
? 
A. 
B. 
C. 
D. 
Mathematics
What does the question mark represent in this extended proportion?
What will be an ideal response?
Mathematics