Answer:
a
Step-by-step explanation:
easy
The correct answer is:
2u-v=7(5i-3j)
Therefore, 5, and 3 go inside the box.
Given:

Sol:
Area of picture is:

If the cost $10 per square inch then price of 15 square inch is:

If the quadruple of dimension that mean:

So area is:

So price is: