Answer:
A=45
Step-by-step explanation:
313 shapes
The nth term is 3n+1
so 3x104=312+1= 313 shapes
7.5 inches
the scale factor = = 3
hence height = 3 × 2.5 = 7.5 inches
21n
hope this helps
D. 4
Terms are separated by addition and subtraction signs
-17
I hope this helps!
