Find the product.(9x + 5)(9x - 5)

A. x2 - 25
B. 81x2 - 25
C. 81x2 + 90x - 25
D. 81x2 - 90x - 25


Answer: B

Mathematics

You might also like to view...

Solve the problem.The odds against Muffy beating her friend in a round of golf are 1 : 6. Find the probability that Muffy will lose.

A.
B.
C.
D.

Mathematics

Which label corresponds to the ordered pair (4, 3).


a.  I
b.  none
c.  II
d.  V
e.  VIII

Mathematics

Find the indicated vector in terms of i and j.If u = -9i - 2j and v = -6i + 7j, find u - v.

A. -5i + 5j B. -3i - 9j C. -4i + 5j D. -15i + 5j

Mathematics

Evaluate the expression. ? ?

A. 73 B. 63 C. 75 D. 70 E. 68

Mathematics