Alast year survey conducted to 200 participants showed that the average cell phone bill for an individual user was $105 with a standard deviation $12. in order to estimate the population mean for this year, at 95% confidence and a margin of error not greater than $2, how much should the sample size be? use last year’s standard deviation as your planning standard deviation.

Me n o w. i need t h i s. 10 points

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax