Choose the correct answer below. A.
A relation is a set of ordered pairs in which no two different ordered pairs have the same first coordinate. A function is any set of ordered pairs.
B.
A relation is any set of ordered pairs. A function is a set of ordered pairs in which no two different ordered pairs have the same first coordinate.
C.
A relation is any set of ordered pairs where the​ x-coordinate is equal to the​ y-coordinate. A function is a set of ordered pairs in which no two different ordered pairs have the same first coordinate.
D.
A relation is any set of ordered pairs where the​ x-coordinate is equal to the​ y-coordinate. A function is any set of ordered pairs.

the difference between a number and 5 is -2.

step-by-step explanation:

notice that the equation you are given has -2 (negative 2) on the right side, not 2. when you subtract 5 from a number n, you are finding the difference between the number and 5.

the difference between a number and 5 is -2.

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

answer: (c) m∠qpo + (2x + 16)° = 180°

step-by-step explanation:

the opposite angles of a quadrilateral are supplementary.

so, ∠o + ∠q = 180°   and   ∠p + ∠r = 180°

since ∠r = 2x + 16°, we can use substitution as follows:

∠p + ∠r = 180°

∠p + (2x + 16)° = 180°