(y+1) +4 rewrite each expression

i need plss

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

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?