Sorry but need there is 3 more questions

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?