Can someone PLEASE HELP this is due by the end on today and i cant figure out the First one and third one. In the first one we don´t know how many pizzas they got so i know the equation is NOT 10+5=15

Answer:
A) C= 10x +5
C) The slope is the delivery cost per pizza without the additional delivery charge.
Step-by-step explanation:
Please see the attached picture.