You have seven packages of paper towels. some packages have three rolls, but some only have one roll. there are 19 rolls altogether

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

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