The binomial expansion:

a = 2y, b = 4 x^3, n = 4
( x )^3k = x^ 9
k = 3


Answer: the coefficient is
512.
Answer:
y≥-4 or (-4,∞)
Step-by-step explanation:
Answer:
It would be B (15x + 20x)
<span>In order to find the area of a rectangle, the width must be multiplied by the length. Since we know the length is 7 yards and the width is 4 yards, we can simply multiply these two values together. 4yd x 7yd= 28yds^2.</span>
$819.20 is the answer considering each time the units increase by fours, it adds $204.80