Hey there!
"9 pounds more than" means that you'll be adding 9 to the expression.
"half the weight w" means that you'll be calculating half of w each time you solve the equation, or 0.5w.
Your entire expression will be 0.5w + 9.
Hope this helped you out! :-)
It’s because it’s intersecting so WXY and ZYX are congruent
That is going to be 48 for the first question because 6x8 equals 48
