i need help please help and dont guess and FYI 492.8 ft is no the answer if you get it right ill give you and I be your friend if not then will report you ;)

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece

Answer asap. you begin with 1/2 scoop of ice cream. since you're hungry, you ask the vendor for 2/7 more scoops of ice cream. then, you eat 5/8 scoops. how many scoops of ice cream are left on your cone? i will mark brainliest for first correct answer.