A box contains 47
red marbles
47
white marbles, and
47
blue marbles.
If a marble is randomly selected from the box, what is the probability that it is white or blue?

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

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

I'm confused on this could anyone me and show me what i need to do to solve it.