Notes
example 11: derek has a bank account that pays 4.1% simple interest. the
balance is $910. when will the account grow to $1,000?

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

The number 72 lies between what perfect squares

What is the midpoint of np if n (1,9) and p (-5-1)