Which expression is not equivalent to 6^3/6^6?

a: 1/6^2

or

b: 1/6^3

Nick and nora are married and have three children in college. they have an adjusted gross income of 47,400. if their standard deduction is 12,600 itemized deductions are 14,200 and they get an exemption of 4000 for each adult and each dependent what is their taxable income

Which represents the solution set of the inequality 5x-9 < 21? a. x < 12/5 b. x > 12/5 c. x > 6 d. x < 6

Ill mark the brainliest if you me with the these three questions 7,8,9