Write an equation for the description. the sum of 17 and a number x is equal to 21

2÷6+1/2 to the second power plus one

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account.write an expression to represent the total amount in his savings account.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test