Hey plss help me with my holiday homework question X x (YxZ) = (X x Y) x Z WHICH PROPERTY IS USED NOTE (SMALL x MEANS INTO AND BIG X IS A VARIABLE

Hey plss help me with my holiday homework question X x (YxZ) = (X x

1.	Hey plss help me with my holiday homework question X x (YxZ) = (X x Y) x Z WHICH PROPERTY IS USED NOTE (SMALL x MEANS INTO AND BIG X IS A VARIABLE
Answer» EXPRESSION x + 7 y – 7 a × 7 k ÷ 7. Sometimes you MIGHT have to describe a ... 7x3+(– 3 + 1) x2y + xy2 – y3 [Using distributive property] ... Is there any information that is not needed?Step-by-step explanation:Descartes used LETTERS from the end of the ALPHABET for variables, and letters from the beginning of the alphabet for constants. In particular, he used x for an independent variable and y for the dependent variable, the letters we use for the STANDARD coordinates of the plane. Descartes' convention became more popular.