What is the value of the expressions 3a when a=7 July 8, 2019 16 32 64 128 What is the value of the expressions 3a when a 7 Which of the following expressions is equivalent to What is the value of this expression when d=4 7/8 and f=3 1/2 Find the value of the expression What are the terms in the expression 9 - 4 + 3b + 7a