Answer:
False
Explanation:
An Adjustable Rate Mortgage is the opposite: it is a type of mortgage that has payments that vary throughout the period of loan. They vary according to some index, variable rate, or agreement between the loaner and the borrower.
Sally and Tom should seek a Fixed Rate Mortgage instead. That is a type of mortgage whose payments do not vary across the life of the loan. In other words, a Fixed Rate Mortgage is an annuity.