Kayley's family has two boys and one girl. What is the probability of this happening? Use a tree diagram to solve the problem.

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?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Write the expression as a single natural logarithm. 2 in a - 4 in y