Which expression represents the determinant of A=

det(A) = (2)(9) - (1)(3)
det(A) = (2)(9) + (1)(3)
det(A) = (2)(3) - (1)(9)
det(A) = (2)(3) + (1)(9)

Determine which postulate or theorem can be used to prove that lmn =nmo

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.

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?