I need help this is a practice for now but a question similar to this is coming up on a test and I want to prepare can you please help me? I will give brainliest almost immediately for a good answer​

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

You put the following items into your rucksack. ham 600 g cheese 380 g tomatoes 270 g how much do all the ingredients weigh in total?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm