Kelly read 30 pages of her 300-page book in 6 hours. at this rate, how long will it take her to read the entire book.

Answer pls man im trying to get out of summer school

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

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6