8-4x+5y
When X=-2 y=6

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?