Answer:
Step-by-step explanation:
1.52
228
We are adding 3 each time so general rule is
Tn= 3n + 3
Therefore
T= 3(75)+3
= 228
A. Subtraction
B. Subtraction
C. x+4=11
-4 -4
D. x=7
The increase was: 494
the first one is x=-3(16+y/2
secone one is x=11+2y