Write an expression for the missing dimension of each shaded figure and a multiplication expression for its area. then expand and simplify the multiplication expression.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

{0,1,2,3,4,5,6,20,21,22,23,24,25} the distribution is considered to be: skewed the right, skewed the left, not skewed?