( y - 4 ) ( y² + 4 y + 16 ) =
= y³ + 4 y² + 16 y - 4 y² - 16 y - 64 = y³ - 64
If the result is the polynomial of the form:
y³ + 4 y² + a y - 4 y² - a y - 64
a = 16
Dear Sweet21574, the answer is D. Squre pyramid.
$91/ 7 = $13 per dog
$117/$13 = 9 dogs
He washed 9 dogs
