9(7/4)-2= what in fraction form ? Can someone please help ?

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?