Verified 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