What 4a+7b+5a-b please sorry

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

What is the upper quartile in the box plot?

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,