If fх) and f-1(x) are inverse functions of each other and fx) = 2x+5, what is f-1(8) ?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Devonte is balancing his checking account. his account statement does not include a deposit of $107.00 that he made on november 1st. what is devonte’s actual account balance?

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle