Let z represent the number of students in a class. Write an
expression for the number of students in 3 equal groups.

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.19875994384

step-by-step explanation:

1699/ 8548

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°

x-3y=4

step-by-step e