Areas of parallelograms and triangles?

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

What is the maximum of the sinusoidal function

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