A square lawn is surrounded by a concrete walkway that is 5.0m wide. If the area of the walkway equals the area of the lawn, what are the dimensions of the lawn? Round to the nearest tenth of a metre. (4 marks) Please and thank you!

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

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