Answer:
subtract 6.4
Step-by-step explanation:
what you have to do is isolate the variable, (n), so get rid of the 6.4 from each side, then divide both sides by 3.5
Answer:
10ft
Step-by-step explanation:
Think of the rectangle as two right triangles. Sides a and b on the triangle are 8ft and 6 ft. That's 8 squared + 6 squared = c squared. C is 10 ft.
What have you done so far? Why not start by eliminating the variable x? Do you know how to do that? Hint: use multiplication / division of rows and then addition / subtraction.
I would help but I’m not good with graphs
