Answer:
Its not. 45 would have to be 35 for n to be 5.
Step-by-step explanation:
7(5)=45
The first option 12a - 20
Answer:
A = 2.1 ft^2
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh where b is the base and h is the height
A = 1/2 ( 2.8)(1.5)
A = 2.1 ft^2