What is a decimal between 0.5 and 0.75

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

How do i take any fraction and make it into a decimal or percentage?

Write the component forms of vectors u and v, shown in the graph, and find v − 2u. u= (< -3, -2> , < -3, -1> , < -2, -2> , < -2, -1> ) v= (< -5, 1> , -4, 0> , < 0, -4> , < 1, -5> ) v-2u= (< 5, 3> , < 0, 4> , < 4, 0> , < 5, -3>