Help with this question on binomial expansion: you are given that (a-kx^m)^n = 243/32- 405/4x^3/2+540x^3-1440x^9/2+px^6-qx ^15/2

where a, k,m, n,p and q are constants. find the value of p.

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

The measure of an angle is 117°. what is the measure of a supplementary angle?