A) n= number of blocks in a bag
B) 20
C) it says partner but if u have to do it, i would say yes it’s useful because even though it’s a different variable, you can use any variable to indicate the # of blocks in a bag
2 lines intersect at one point and stop there to form an L shaped angle they also form a square when you combine another right angle and they measure 90 degrees. Hope this helps!
You would have 6,000 nickels. Multiply 40 by 150