The sum of the external angles of a parallelogram is different from the sum of the external angles of a triangle. is the sum of the external angles of a parallelogram different from the sum of the external angles of a triangle?

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?