total length = total perimeter of dance floor
20 x 2 + 30 x 2 =
40 + 60 =
100 feet
Answer is D. 100
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-1 <span>± </span><span><span>√61 / 6. Negative 1, plus or minus square root of 61 divide by 6</span></span>
Answer:
(2, 5)
Step-by-step explanation:
View Image
To the right: 0.51
to the left: -0.51