Multiply.(7 - 8r)(7 + 8r)

A. 49 - 8r2
B. 49 - 112r - 64r2
C. 49 + 112r - 64r2
D. 49 - 64r2

Answer: D

Mathematics

You might also like to view...

Add or subtract. Simplify the answer. - 

A.
B.
C.
D.

View
Mathematics

Evaluate the expression.-  -1

A. -4
B.
C. - 
D. 4

View
Mathematics

If a = 5 and c = 21, determine the value of B.

View
Mathematics

Find the quotient, and write in lowest terms, if necessary. ÷ 

A.
B. - 
C.
D. - 

View
Mathematics