Answer :

Write an algebraic expression for three fourths the square of b
=> Algebraic expression is the expression that shows both integers, variables, symbols and operations like addition, subtraction, division, and multiplication.
=> three fourth is a fraction which is equals to 3/4
=> square of b is an exponent which is equals to b2
=> thus, the algebraic expression of three fourths the square of b is equals to:
=> ¾ x b2 or 3b2 / 4