Suppose j varies jointly with g and v, j=1 when g=6 and v=3. find j when g=8 and v=11

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

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Is the square root of 4 plus the square root of 16 rational?