Over six days selvin jogged 6.5 miles, 5 miles, 3 miles, 2 miles, 3.5 miles, and 4 miles what is the mean distance selvin jogged

Which expression is equivalent to? assume x > 0 and y > 0.

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9