Factor.49m2 - 81n2
A. (7m - 9)(7m + 9)
B. (7m - 9n)(7m + 9n)
C. (9m - 7n)(9m + 7n)
D. (7m - 9n)2
Answer: B
Mathematics
You might also like to view...
Use a calculator to approximate the logarithm to four decimal places.ln 
A. -0.1334 B. -0.1335 C. -0.1336 D. -0.0580
Mathematics
Write a valid conclusion based on the statements.It is either day or night. If it is daytime, then the squirrels are scurrying. It is not nighttime.
A. The squirrels are scurrying. B. Squirrels do not scurry during the day. C. Squirrels do not scurry at night. D. The squirrels are not scurrying.
Mathematics
Use grouping to factor the polynomial.x3 + 4x2 + 5x + 20
A. (x2 + 5)(x + 4x) B. (x2 + 5)(x - 4) C. (x2 + 5)(x + 4) D. (x3 + 5)(x + 4)
Mathematics
Find the indicated term for the sequence.an = (4n + 5)(5n - 1) ; a5
A. 650 B. 100 C. 36 D. 600
Mathematics