Use the FOIL method to multiply the binomials. Assume any variable exponents represent whole numbers.(4xn + 11yn)(xn + 9yn)
A. 4xn + 2 + 47xnyn + 99yn + 2
B. 4x2n + 47xnyn - 99y2n
C. 4xn + 47xnyn + 99yn
D. 4x2n + 47xnyn + 99y2n
Answer: D
Mathematics
You might also like to view...
Find a formula for the nth term of the sequence.0, 2, 0, 2, 0 (alternating 0's and 2's)
A. an = 1 - (-1)n B. an = 1 + (-1)n-1 C. an = 1 + (-1)n+1 D. an = 1 + (-1)n
Mathematics
Solve the problem.If the price charged for a bolt is p cents, then x thousand bolts will be sold in a certain hardware store, where 
. How many bolts must be sold to maximize revenue?
A. 3456 thousand bolts B. 3456 bolts C. 1728 bolts D. 1728 thousand bolts
Mathematics
Graph the piecewise-defined function.
a. 
b. 
c. 
d. 
Mathematics
Evaluate the expression.-73
A. 21 B. -21 C. -343 D. 343
Mathematics