Banda, como le hago a lo de abajo? Ayuda!!

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

Use the quadratic function to predict f(x) if x equals 8. f(x) = 25x2 − 28x + 585

Millie decided to purchase a $17,000 msrp vehicle at a 4% interest rate for 6 years. the dealership offered her a $2700 cash-back incentive, which she accepted. if she takes all these factors into consideration, what monthly payment amount can she expect? a.$223.73b.$243.25c.$274.61d.$235.51