Beverly makes wooden boxes for a crafts fair. She makes 400 boxes like the one shown, and she wants to paint all the outside faces.

Which expression calculates the speed in meters per second of an object that travels a distance of 100 m every 20 seconds

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

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