I NEED HELP ASAP! Determine the property of multiplication that is used in each step to simplify the expression. (for every letter)

(10/3⋅11/4)⋅4/11⋅7/5⋅3/5⋅5/7

a. 10/3(11/4⋅4/11)⋅7/5⋅3/5⋅5/7

b. 10/3⋅1⋅7/5⋅3/5⋅5/7

c. 10/3⋅7/5⋅3/5⋅5/7

d. 10/3⋅7/5⋅5/7⋅3/5

e. 10/3⋅1⋅3/5

f. 10/3⋅3/5

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.