How do you simplify problems? It's been years since I've done this, now I'm attempting to help my son on his homework. for instance this problem: 1000 3/2​

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

Ineed with the quizzes in apex mathematics ii

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9