Answer:
see below
Step-by-step explanation:

x - c > dy
x > dy + c
Answer:
4
Step-by-step explanation:
- 16÷4=4 12÷3=4 meaning is.the lowest common multiple
Answer:
(d − 3) (d + 3) (d² + 9)
Step-by-step explanation:
d⁴ − 81
Factor using difference of squares.
(d² − 9) (d² + 9)
Factor using difference of squares again.
(d − 3) (d + 3) (d² + 9)