A shop has a 3 for 2 offer on chocolate bars. The normal price of a chocolate bar is 86p. Sian gets 3 chocolate bars from the shop using this offer. How much does she spend? Give your answer in pounds. ​

Which of the following tables represents exponential functions?

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).

Solve for n? [tex]z = \frac{3}{4} mn[/tex]