The graph below represents the distance of a dog from a
trainer after a command is given.
dog obedience school
distance (yards)
o ñ ò no sa

i need more info. are you looked to see there mph? how much they deliver? how far they go?

step-by-step explanation:

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

multiplication is multiplication.   it might feel harder depending on what level of math you are in, but generally it will be the same old stuff, while implementing some new concepts and methods of solving work.