Well, isn't that a happy little mix-up! It sounds like Cate might be playfully calling her twin sister, who happens to be an algebra worksheet, by the wrong name. That's okay, mistakes happen, and it's all part of the joy of creating happy little memories together. Just keep painting those beautiful relationships with love and understanding, and everything will turn out just fine.
you call it algebra because it has an unknown number which you have to solve for
There were no Muslims around 4000 years ago when the Babylonians began using what we now call algebra.
it has no steps
Probably having panes.
The "fraction bar" that we usually call it is actually called the vinculum.
you call it algebra because it has an unknown number which you have to solve for
duplicate
you call her your daughter's husband's sister
A Park In Space : according to the math worksheet
You don't call your brother's sister your aunt. Your brother's sister is your sister, or you. Your aunt is the sister of your mother or father.
You would call your mother's sister an aunt.
You would call your sister's daughter your niece.
The wives in a polygamous relationship often refer to themselves as "sister-wives".
Your child would call your sister her aunt.Your sister would call your child her niece or nephew depending on gender.Your sister's children would call your child their cousin.
sister = sahodari older sister = chechi younger sister = anujathi
sister in law
The relationship of the sibling of your sister-in-law or brother-in-law to you does not have a name in English. You could call them your brother- or sister-in-law if you want, or you can call them the brother or sister of your brother- or sister-in-law.