Can get a little help

Which of these sequences is a geometric sequence a 1,2,4, 7, 11, 16, 22. b. 2.4.8.14.22.38 c.3.6.9. 15.18,21 d. 3,9,27,81,243,729,

92ft long and 48 wide resurface 2.75$

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.