Which equation can be simplified to find the inverse of y = 2x²? O1/y=2x²
Oy=1/2x²
O-y= 2x²
O x= 2y²

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%