What is the predicted value for X21 if X6=6, X8=7, X9=5, and X12=4?

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

The variable in a relation who’s value depends on the value of the independent variable is called what?