Which sequence is arithmetic?
{0, 1, 4, }
{0,4,7,}
{-3, 2, 7, }
d)
{2, 1, 0.5, 0.25,

How many days was the temperature above 90 degrees?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

What rotation was applied to triangle def to create d’e’f’?