Find the sum. (9+3n)+(-2+6d)+(5+9b)

can anyone tell me what the answer is? I've been stuck on it for a while now

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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