Answer:

Step-by-step explanation:
A sequence is defined by the recursive formula
If
then
for 
for 
for 
for 
Half of 73 is 36.5 and I think the nearest half would be 37
Answer:
384
Step-by-step explanation:
I got the area of the hidden square (Just add the same triangle to the ramp, it makes a square). Now, I divided that by 2 to just get 1 triangle.