Please hurry I need help with this

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Write the equation in logarithmic form 8^x=64

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y