The sum of 6 consecutive integers is 519. what is the third number in this sequence?

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

I’m not good at math can i have ? ?

An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in