james wants to have earned $6,686 amount of interest in 18 years. currently he finds that his annual interest rate is 5.42%. calculate how much money james needs to invest as his principal in order to achieve this goal​

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 the quadric regression equation that fits these data

How many $20 bills do you need to have to make $280