What is the area of a rectangle with vertices at (7,3), (12,3), (12,11), and (7,11)?

Area of Rectangle = Length × Breadth

Distance formula between two points ,

Length

= Distance between Points ,(7,3) and (12,3)

Breadth

=Distance between Points ,(12,3) and (12,11)

→→Area = 5 × 8

     = 40 square units

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step-by-step explanation:

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if you are saying purchasing 3 social media ads and one newspaper ad counts as one purchase then there are:

6 purchases

if you are asking how many of each then:

18 social media ads

6 newspaper ads