Jason bought 6 new vintage coins to add to his collection. The next day, he sold half of his collection. There are now 29 coins left in his collection. How many coins did Jason
start with?

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

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

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)