Step-by-step explanation:
(6+r)^2 = 81 + r^2
36 + 12r+ r^2 = 81 + r^2
12r = 81-36 = 45
r = 15/4 = 3.75
( 2/3 ) ÷ ( 3/9 ) =
( 2/3 ) · ( 9/3 ) =
( 18/9 ) = <em>2</em>
Answer:
i think the answer is 2 rooms because if 5 only goes in 14 two times then that would be your answer
