Suppose a new car is worth $20000. You can use the function y = 20000(0.85)^x to estimate the cars value after x years. What is the decay factor? What dose it mean?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Which of these tables represents a non-linear function?

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds. then use the distributive property and mental math to evaluate the expression.