In δabc, m∠cab = 30°, m is the midpoint of ab so that ab = 2cm. find the angles of the triangle. find ab if bc = 7 ft.

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?