The one represented by integer tiles would be.
B.
Answer:

Step-by-step explanation:
According to the law of logarithm;

Given

Comparing with the original expression;
a = 9, b = 2 and c = 2x - 1
Substitute into the result indicinal expression;

This gives the required exponential equation
Answer:
C.
Step-by-step explanation:

=> 
=> 
=> 
=> 
=> 
Answer:
40 degrees
Step-by-step explanation:
-10+40=30