Let the vector system U = {(1,2, 9); (0,-1,-8);(2,3,10);(1,0,-7)} a. Find the number of dimensions and a basis W of the subspace generated by the vector system U .
b. Find the parameter x so that u=(2,3,+1) is a linear combination of W , and derive [U]w.

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

What is the upper quartile in the box plot?

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?