The perimeter of the parallelogram shown is 244 inches. The difference between the lengths of the sides is 20 inches. Assuming 2x + 3y is the longest side, find the length of each side. PLS

Can any one me with the answers to these questions asap?

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.