Help please and expalin if you can

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

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Solve the equation. 2x - 8(x+1)= 6(2x - 3)