david bought 9 composition books for a total of $18.90 Create a table of values for 1,2,4,5, 10 and n, composition books​

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Which of the following contains a variable?