Rob simplified an expression using the following steps.
Step 1: 2x – 3 + 5x + 7
Step 2: 2x + 52 – 3 +7
Step 3: 7x + 4
Which property justifies Step 3?

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176