Answer:
Step-by-step explanation:it 10 cause there is no negative in this equation it’s only subtraction and you subtract and you get the number 10 I got this right
Answer:
I dont know sorry!! I would help though
Step-by-step explanation:
The median is 3
The range is 4
Answer:
<em>x+y=4</em>
Step-by-step explanation:
hello :
note : by identity you have x²-y² = (x-y)(x+y)
in this exercice : 2x²-2y² = 2(x²-y²) = 2 (x-y)(x+y)
means : 2 (x-y)(x+y) = 40
but x-y = 5
so : 2(5)(x+y) =40
x+y=40/10
<em>x+y=4</em>