The top of a molehill is 4in above ground level. The bottom of a mole’s burrow is -9in relative to ground level.
What is the distance between the top of the molehill and the burrow? Show your work.

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 graph represents the equation y =4x

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?