Hong has been given a list of 6 bands and asked to place a vote. his vote must have the names of his favorite and second favorite bands from the list. how many different votes are possible?

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 (%)

If you answer 2+2 you will get over 80 points

Math each whole number with a rational,exponential expression