An arithmetic sequence is defined by the recursive formula t1= -30, tn + 1 = tn - 4, where n ∈N and n ≥ 1. Which is the general term of the sequence?

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 is the absolute value of the complex number -4-sqrt2i

What function has a range {yly< 5}? question on picture above^