Frankie ate 2/5 of his sandwich. robbie ate 3/4 of his sandwich. which pair of equivalent fraction will them find out the total amount of sandwich they ate?

What is x and y intercepts for y=x+7

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

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