Lallenge Isabel tried to evaluate an expression step by step.
(2+8) +8
=2 + (8 +8) Step 1
=2 +0
Step 2
Find isabel mistake

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?

If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.