Find the product using the formula for multiplying the sum and difference of two terms. Check the answer using the FOIL method.(3m - 13n)(3m + 13n)

A. 3m2 - 13n2
B. 9m2 - 169n2
C. 9m2 + 78mn - 169n2
D. 9m2 - 78mn - 169n2


Answer: B

Mathematics

You might also like to view...

Perform the indicated operations and simplify the result. Leave the answer in factored form. + 

A.
B. 1
C.  
D.  

Mathematics

Solve the problem.The cylindrical storage vat in the picture has a base with radius of r and a height of r. The volume of the vat is the product of its height and the area of the base. Find the volume of the cylinder. 

A. ?r3 in.
B. ?r3 in.
C. ?r3 in.
D. 2?r3 in.3

Mathematics

Solve.A company rents a mid-size car at $299 per month for twelve months. What is the cost for the car rental during this time?

A. $3,588 B. $3,620 C. $311 D. $3,537

Mathematics

Solve the inequality.x4 - 12x2 - 64 > 0

A. (-4, -2) or (2, 4) B. (-4, 4) C. (-?, -4) or (-2, 2) or (4, ?) D. (-?, -4) or (4, ?)

Mathematics