Answer:
there are 35 boys in the class
Step-by-step explanation:
love the anime character!
Answer:
x=35, y=21. (35, 21).
Step-by-step explanation:
x+y=56
x-y=14
------------
2x=70
x=70/2
x=35
35+y=56
y=56-35
y=21
Answer:
The surface area is 116.
Step-by-step explanation:
Answer:
23
Step-by-step explanation:
Since 2/10 = 4/20, we know that a-3 = 20, so a = 20 + 3 = 23.
