Answer:
The width of the frame is equal to
Step-by-step explanation:
Let
x-------> the width of the frame picture
we know that

Simplify

The formula to solve a quadratic equation of the form
is equal to
in this problem we have

so
substitute in the formula
----> this solution is not logic
The width of the frame is equal to
It costs $3.92 to send all 14 postcards. Or is this a trick question.
Positive correlation.
Zero is x increases y stays the same
Negative is both decrease