What is the missing step in the given proof? Statement: m∠4 = m∠15 Reason: Substitution Property of Equality Statement: m∠4 + m∠8 = 180° Reason: definition of supplementary angles Statement: ∠7 and ∠8 are supplementary. Reason: Linear Pair Theorem Statement: m∠4 = m∠16 Reason: Transitive Property of Equality Statement: ∠15 and ∠8 are supplementary. Reason: Transitive Property of Equality

Step-by-step explanation:

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Statement: m∠7 and m∠8 are supplementary.

Reason: Linear Pair Theorem

Statement: <7 and <8 are supplementary. Reason: Linear Pair Theorem

step-by-step explanation:

through just a quick inspection, one can see that the graph of this cubing function starts in quadrant iii and ends in quadrant i.   when x = 0, y = 3, so the y-intercept is (0, 3).

if graphs are part of the problem statement, share them.   .