Debbieis one year older than dave. james is twice as old as dave. joelle is twice as old as debbie. altogether their ages total 33. find each persons age. (let x = daves age)

Which expression is equivalent to (4x^3*y^5)(3x^5*y)^2 \a) 24x^13*y^7b) 36x^13*y^7c) 36x^28*y^7d) 144x^16*y^12

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

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.