On a trip to the movies a family spent $35 on tickets, and another $25 on popcorn. they also spent $10 on drinks. the oldest son spent some money on candy. altogether the family spent $76. how much did the oldest son spend on candy?

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