In which type of sample does each member of the entire population studied have the same chance of being selected? random sample quota sample index sample roper sample?

Agrocery sells green apples and red apples. on monday , the store put 500 of each kind of apple on display. that day, the store sold 42 red apples and 57 green apples.on tuesday the store sold 87 red apples and 75 green apples. on wednesday, the store sold 29 red apples and 38 green apples

Measures of the angle of r, 31 s (x+4) t (3x+9)

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?