Match the reasons to the statements in the proof. Given:

m 1 + m 5 = 180°

m 1 + m 4 = 180°

Prove:

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1.
m∠1 + m∠5 = 180° and

m∠1 + m∠4=180°

Subtraction property of equality
2.m∠1 + m∠5 = m∠1 + m∠4
Substitution
3.m∠5 = m∠4
If alternate interior angles equal, then lines are ||.
4.is parallel to
Given

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

How is this equation completed? i cannot find any examples in the book.