Are these correct look at all them start by the first photo and say number one is

yes it is correct answer

Answer

For picture 1 it's 13/20

and 2nd is 25/12 or 2 1/12

picture 3 it's 55/28 or 1 27/28

picture 4 it's 11/12

picture 5 it's 1/2 hour , 1 hour 1 1/2 hour

Step-by-step explanation:

your answers are correct.

people went from manufacturing one object at a time by hand to manufacturing many objects in factories

a) t'(-3, 6) and v'(0, 3)  

step-by-step explanation: