If you want to stop “Maybe” from appearing next to a contact's name on your iPhone lock screen, go to Settings -> Siri and turn off the switch next to Suggestions on Lock Screen.
To find the area of a circle, you need to use the formula A=π⋅r2 , therefore the area A is π⋅62≈113 square inches. To find the circumference of a circle, you will use the formula C=2⋅π⋅r , therefore the circumference C is 2⋅π⋅6≈38 inches.
Forever Stamps are currently worth 50¢ so, for instance, a two ounce flat 9x12 envelope would need $1.21 in postage … or three Forever stamps.
Avoid placing two Forever Stamps on a mail piece for heavier mail. Additional ounces are much cheaper costing only $0.20 per additional ounce rather than $0.58 for a one ounce letter. If you add two Forever Stamps to a 2 ounce letter, you would be paying for an item that should only cost $0.78.