Answer:
It is A
Step-by-step explanation:
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:
Answer:
x= 11.66667
Step-by-step explanation:
ok the six is repeating but, basically multiply 5 times 7, then divide that by 3
Answer:
0<x<6
I think this is right, hope this helps!