Find all zeros of the polynomial function.
f(x) = 4x^4 + 4x^3 - 11x^2 - 12x - 3

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

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Could somebody me with this radical simplification?