Help me with this math Problem... and take your time Write as a single surd or rational number:
a: √(11)•√(11)
b:√(3)•√(5)
c: √(3)²

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,