You should do 7-3=4 then do what’s u have to do with the 7
[ Answer ]

[ Explanation ]
Area = 1420
Width = 
Area For Rectangle: Length · Width
Use division to find width:
1420 ÷ 
Convert mixed numbers to fractions:
1420 = 
= 
÷ 
Use mixed multiplication:

= 
Simplify:
= 
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Answer:
Simplify
A ⋅ 13−oz.
−oz+13 A
Simplify
a⋅20+0z.
20a
List all of the solutions.
A⋅13−oz=−oz+13A 78=−oz+13a⋅20
Surface area = 6 x 10^2
6 x 10^2
6 x 100
600m^2
Answer:
As shown in the attachment,
Step-by-step explanation: