Perform the indicated operation and simplify your answer in factored form.
a^2+6a-7/2a^2+4a^2+2a*2a/a^2-1

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?

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers