Answer:
19.135
Step-by-step explanation:
Triangle = 1/2 b h
1/2 x 8.9 x 4.3 = 19.135
Answer: x=-7
Step-by-step explanation: hope this help :)
just to be clear ill help you with anything ;)
a
a₃ = 9
The numbers in the set are referred to as { a₁, a₂, a₃, ... }
