Over the interval [0, 2pi), what are the solutions to cos(2x) = cos(x)? Check all that apply.

Abcd is a parallelogram find the valuse of x

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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