Which statements below are true? Select all that apply. A. If p q and q are true, then p is true.

B. Ifp →q and p are true, then q is true.

C. If p - 9 and 9 -- rare true, then por is true.

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D. Ifp-qand r are true, then qar is true.

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

Which of the following is not a subset of {1,2,3}?