Cara and Beejal make a poster for school. The poster is in the shape of a rectangle. The left side of the poster measures 7 units; the top side of the poster measures 6 units. What is the area in square units of the completed poster?

26 square units

48 square units

42 square units

13 square units

The area of a rectangle is calculated by multiplying the length by the width. In this case, the length is 7 units and the width is 6 units.

Area = 7 units x 6 units
Area = 42 square units

Therefore, the area of the completed poster is 42 square units.

The correct answer is 42 square units.