Im so confused pls help me out

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.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

What is the area of the parallelogram? 48 sqrt(3)cm2 48 cm2 24 sqrt (3) cm2 24 cm2