What is the better deal? deal#1. is a 20% discount followed by a second discount of 15%. deal#2. is one 35% discount

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal