This problem involves lists made from the letters T, H, E, O, R, Y, with repetition allowed. (a) How many 4-letter lists are there that don’t begin with T, or don’t end in Y? (b) How many 4-letter lists are there in which the sequence of letters T, H, E appears consecutively (in that order)? (c) How many 6-letter lists are there in which the sequence of letters T, H, E appears consecutively (in that order)?

i wish i could u

step-by-step explanation:

i wish i could u

i only know the sequence of arithmetic it adds the first is 5+4 then it goes up as it adds to then it is 9+5 then 14+6 then to 20+7 and so on. 5,9,14,20,27,35.

step-by-step explanation:

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation:

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.