Which expression represents the product of 3 and (5/4n + 1.8)

A. 5.55n
B .9.15n
C. 3.75n + 1.8
D. 3.75n + 5.4

For what values of b will f(x)= logbx be a decreasing function? (16 )

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?