Which statement could be used in step 2 when proving x =
30?
statements
1. mzorp - 80° mzorn-(3x+10)
reasons
given
cawn
can-
zorp and zorn are a linear pair
zorp and zorn are vertical angles
80 = 3x +10
x = 30

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

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