[algebra]can someone check my work, if something is wrong state steps?

question: solve d = 16t^2

Which expression is equivalent to 4 square root 6 divided by 3 root 2

What is the 12th term of b(n)=-4-2(n-1)

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose