The formula for the perimeter of a rectangle is p=2l + 2w. the length of a rectangle is 3 times its width. so which expression represents the perimeter of the rectangle? a. 2+w(3w) b.2 + w(w+3) c. 2(3w) +2w d. 2(w+ 3) + 's the answer

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

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

Given that abcd is a rhombus, what is the value of x?