What is the equation of the line that has a slope of 1/4 and goes through the point (8, -3)?

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

With finding limits of multi variable !