explain how to use patterns to find 35.6/10 ^ 3

Aline passes through 3,7 and 6,9 what equation represents the line

Find two numbers if their sum is 91 and the ratio is 6: 7?

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.