A bag contains the letters R, S, T, L, N, E. You create 2 letter codes by selecting a letter from the bag, writing it down you DO NOT return the letter to the bag. (In other words, a letter MAY NOT be used more than once). How many possible 2 letter codes are there?

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?

If /is a line of symmetry, plot the partner points for the ones shown. noch 6 5 4 -3 -2 -1

Similarly fie each expression 18,19,20