Please help me in this math i tried reaching out but still don’t know

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

If a line is defined by the equation y = 5x + 2, what is the slope?

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given