Koji is installing a rectangular window in an office building. the window is 823 ft wide and 534 ft high. the formula for the area of a rectangle is a=bh. what is the area of the window?

I’m how many different ways can she give the four remaining flowers to the rest of the teachers in the afternoon

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t. inv.2t to find the value of t for the interval calculation.

Ys is the perpendicular bisector of xz what it is the length of xs