Convert the following repeating decimal to a fraction in simplest form.
.5

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656