. 7.NS.1.1
What is the value of the expression shown
below?
-7 +31

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

What can you determine about the solutions of this system

You use technology ans find a sum of 6.712e-8. write this sum in standard form