Answer:
21
Step-by-step explanation:
y+9 = ?
y=12
12+9=21
I don't understand it sorry
Answer:
Hello!!
Diego is 59.5 inches tall. His brother is 40.125 inches tall. How much taller than his brother is Diego?
Diego is 19.375 inches taller than his brother.
Step-by-step explanation:

Hope this helps!!
Answer:
B and C
Step-by-step explanation:
100% sure
because I helped u, do this pretty please:
look up "evil masterminds be like..."
click on the video with the donkey as the thumbnail
sub to the channel that made it