Which expression represents the product of 3 and (5/4n + 1.8)? (SHOW WORK PLEASE)
A5.55n
B9.15n
C3.75n + 1.8
D3.75n + 5.4.
A5.55n
B9.15n
C3.75n + 1.8
D3.75n + 5.4.