What value must be added to the equation in order to complete the square in the quadratic equation 2 − 24 = 52?

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.

The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)

Alice is paying her bill at a restaurant. but tax on the cost of a male is 5%. she decides to leave a tip 20% of the cost of the meal plus the tax