How many different permutations can be formed using all the digits in 012313? answers:
60
180
360
720

What is the simplified expression for 6(2(y+x))

Answer question above and explain each step : )

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)