17) 7(r+ 9) = 63 18) -8r- 2 = 62
19) -3+ 6n = 39
20) 0 = v- 7 6
21) (5k- 4)(5k+ 1)
22) (5a+ 6)(5a+ 8)
23) (4x+ 1)(7x+ 2)
24) (3r- 6)(6r- 4)
25) (b- 2)(6b+ 6)
26) (m+ 3)(8m- 6)
27) (4x- 2)(x- 3)
28) (3m+ 2)(4m+ 4)
29) (5x- 1)(7x- 7)
30) (4n+ 2)(n- 7)
31) x+ 52 = 3
32) -4+ 6n = 116
33) -93 = 10b- 3
plz help

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?