a= 16x+16
b= 40x + 15
Step-by-step explanation:
We know that perimeter of a rectangle is

So therefore



Answer= A) that is perimeter is 16x+16
We know that area of a rectangle is l×b
So therefore


Answer = b) that is area is 40x + 15
T shirt would be $3.60
The hat is $90
Hundreds period, since the 6 is in the ones, 8 is in the tens, and 4 is in the hundreds.
Answer:
it becomes a 3 unit hight