Write an equation of the line that passes through the points (-3,4) and (-5,1)

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

What does the relationship between the mean and median reveal about the shape of the data

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid