Answer:
if you want to factorise it answer will be : (x+y)^2 - 4^2
and if you have to expand it anwer will be x^2 + y^2 + 2xy -16
Answer:
$2.50 for quarters
$0.60
$3.10 hope this helps
Step-by-step explanation:

The property that justifies multiplying through eqn(2) by -2 is;
the rationalization to align the coefficients of x in both equations with a view to eliminating the terms in x.
Answer:45=3x3x5
Step-by-step explanation:
prime factorization of 45
45 ➗ 3=15
15 ➗ 3=5
5 ➗ 5=1
45=3x3x5
The answer is a hope it helps