PLEASE HELP THIS IS DUE IN A SOON PLEASE I WILL MARK YOU BRAINLIEST!! Find the indicated values.
I need help on number 1, 3 on the bottom, 4 and 5

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

Me! i'm really confused the isosceles trapezoids, abcd and efgh, are similar quadrilaterals. the scale factor between the trapezoids is 2: 3, line gh = 6 centimeters, line ad = 8 centimeters, and line ab is three times the length of line dc . use complete sentences to answer the following prompts and include all of your calculations in your final answer. a. write a similarity statement for each of the four pair of corresponding sides. b. write a congruence statement for each of the four pair of corresponding angles. c. determine the perimeter for each of the isosceles trapezoids.

A5 foot long board is propped against the wall of a house. the board forms a 60° angle with the ground. how far is the base of the board from the wall?