Factor by grouping.ra2 + rb2 - 8a2 - 8b2
A. (a2 - b2)(r + 8)
B. (a2 - 8)(r + b2)
C. (a2 + 8b2)(r - 1)
D. (a2 + b2)(r - 8)
Answer: D
Mathematics
You might also like to view...
Solve the problem.John presently earns $96 a week doing yard chores after school. After 3 months, his pay will increase by 
. How much will he then earn per week?
A. $128.00 B. $108.00 C. $153.60 D. $78.75
Mathematics
Solve.A rectangular window opening measures 36.5 inches by 49.75 inches. Calculate the area of the opening. Round to the nearest square inch.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = f(x + 2)
A. 
B. 
C. 
D. 
Mathematics
Determine whether or not the function is one-to-one.f(x) = x2 + 7
A. No B. Yes
Mathematics