Answer:
the answer is d becaus of it's creation
Answer:

Step-by-step explanation:
The cost is given for <em>1 sweatshirt</em>. To find the cost of 15 sweatshirts, we need to multiply the expression by 15. Let's do this:

This is the expression that represents the cost of 15 sweatshirts.
The standard form is 21x-y-7=0
Answer:
15
Step-by-step explanation:
trust me bro
Answer:
The line would be straight; it could be vertical or horizontal.