Triangle pqr has vertices at the following coordinates : p(0,1) q(3,2) r(5,-4) . determine wether or not triangle pqr is a right triangle . show all calculations for full credit .

Louis wants to carpet the rectangular floor of his basement.the basement has an area of 864 square feet.the width of the basement is 2/3 it's length. what is the length of louis's basement

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.