Let T be the triangular region in the xy plane with vertices (0,0),(B,0),(B, H), where B, H are positive constants. Use a double integral in polar coordinates to calculate the average value of the x coordinate, taken over all points in T. You may summe the formula for the area of the triangle.

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.