Wayne is hanging a string of lights 41 feet long around the three sides of his rectangular patio, which is adjacent to his house. The length of his patio, the side along the house, is four feet shorter than three times

its width. Find the length and width of the patio.

#12 find the value of x. #13 find the value of the variable.

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

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 (%)