An internet service provider charges $18 per month plus an initial set –up fee. One customer paid a total of $81 after 2 months of service.
A. Write an equation modeling this situation.

B. What is the initial set-up fee?

C. How much does it cost after 5 months of service?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6