Prove that there are real numbers a and b such that square root of a + square root of b equals square root of a + b

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

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?