Chứng minh rằng 1+na <=(1+na)^n

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

Find the nonpermissible replacement for binthis expression. b2/5b +5

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62