Answer:
12.375
Step-by-step explanation:
Length x Width
L x W
4.5*2.75 = 12.375
1. x midpoint: (-9+4)/(2) = -2
2. y midpoint: (3+7)/(2) = 5
3. The midpoint is (-2,5)
B) 4Na + O₂ → 2Na₂O
b) H₂ + Cl₂ ---> 2HCi
16, 128 is being divided by 8
Answer: n = 4
Step-by-step explanation: you combine the like variables which turns it into
(4y - 3)
(4y - 3) is <em>another</em> way of saying ((4 x y) - 3)
So the 4 is turned into n making it (ny - 3)
