Answer:
x^2-1^2
Step-by-step explanation:
formula:
(a-b)(a+b)=a^2-b^2
Answer:
I'm not sure but I did do it on a calculator so 1.515-1.56= -0.045
Answer:
4 dogs....hope it helps u
Answer:60 is the common denominator
Step-by-step explanation:
W letter is two pairs of parallel lines