2,16,68,208,508,1062,1986 what’s the next number the eighth term sequence

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Given that abcd is a rhombus, what is the value of x?