Prove that the expression is equivalent to a certain binomial 1. (x+y)(x^2-xy+y^2)
2. (x-y)(x^2+xy+y^2)
3. (a+b)(a^3-a^2b+ab^2-b^3)
4. (a-b)(a^3+a^2b+ab^2+b^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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48