Provide an appropriate response.If the expression 49x2 - 9y2 is written in the form a2 - b2, then 
and 
A. a = 7x; b = 3y
B. a = 3; b = 7
C. a = 3x; b = 7y
D. a = 7; b = 3
Answer: A
Mathematics
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Use an equivalence fraction to write the answer in the requested unit of measure.Convert 26,000 pounds to tons.
A. 14 tons
B. 12 tons
C. 13
tons
D. 13 tons
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Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 
? 27.857
B. 
? 4.000
C. 
? 24.000
D. 576
Mathematics
Solve the problem.What principal invested at 8% compounded continuously for 4 years will yield $1190? Round the answer to two decimal places.
A. $1188.62 B. $1638.78 C. $864.12 D. $627.48
Mathematics