Aphysicist must make sure that the temperature of a metal dies not get colder than -80°c. the physicist changes the metals temperature at a steady rate of -4°c per hour. how long will it take the physicist to change the temperature?

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour. is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers