Use the geometric definition of the cross product and the properties of the cross product to make the following calculations. (a) ((j+k) x x k = (b) (i+x (i x j) = | (c) 2k x (k (a) ( x ( =|

(hurry! ) which expression is equivalent to the following complex fraction?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks