Algebra+2+Corrections

Please type in any errors you find below so that Henry can correct them OR if you have already corrected this, please post this here. p. 14 (problem set for factorials, permutations and combinations) - missing problem #19 (it goes from #18 to #20)...
 * VOLUME I**

p. 130, last paragrah, "They both __//have//__..."

p. 132, under Solution, after the first paragraph, the equation given ( 2x + 3(2x) = 6 ) should equal __//**8**//__ (not 6)

p. 145, first paragraph at the top of the page: "Now we look at a more complicated problem in which we need to use elimination twice to solve for __//**our**//__ first variable..." (not "out")

p. 150, problem #14, second sentence: "The sum of the second and third digit equals the first digit, and the third __//**digit**//__ (singular) is one less..."

p. 163, last sentence before the boxed in definition at the bottom of the page, "We can have different types of shapes, but there are three special types of matrices __//**which**//__ (not "with") are defined below."