-6(2z - 4) use z = 3

help pls i need to get this done asap ​

Can someone check if i did this correct. it’s number 4 if you’re wondering.

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation

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?