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I need help really fast because I’m in a quiz an I might time out of it. Thanks!

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

What is 1.5% of 120 or what number is 1.5% of 120

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3