Two identical twins can only be distinguished by the characteristic that one always tells the truth and the other always lies. one twin tells you of a lucky number pair: "when i multiply my first lucky number by 3 and my second lucky number by 6, the addition of the resulting numbers produce a sum of 12. when i add my first lucky number and twice my second lucky number, the sum is 5." which twin is talking? how do you know?

Sum is 17 and their difference is 3

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: