8d - 2d + 4
7p + 3p -5
is a pre algebra questions
there are answer separate

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.

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