HELP HELP HELP! I WILL GIVE BRAINLIEST

Simply 8x squared + 5(7x squared- x) - 2x =

Which one is true about the hexagons ?

Which of the following are arithmetic sequences? check all that apply. a. 0.3, 0.6, 0.9, 1.2, 1.5, b. 2, 3, 6, 11, 18, c. 150, 147, 144, 142, d. 2, 4, 9, 16, 25,