Math people needed =( i've tried to solve this for about 15 minutes now, and i keep coming to the same wrong conclusions. i'm just finding the average, so why is it giving me so much trouble? agh. i just want the answer and to know how i got it. ling wants to determine the average distance she travels each day in her car. she records the odometer reading each morning for a week. day 1 2 3 4 5 6 7 odometer (mi) 10,000 10,200 10,420 10,760 10,800 11,150 11,400 what is the mean distance ling travels each day? show your work.

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827