Write an expression in simplest form for the perimeter of a right triangle with leg lengths of 12a^5 and 9a^5.

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?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.