Answer:

Step-by-step explanation:

Recall that the change of base formula is 
The solution step by step. 43 comes from adding all the given numbers together.
Step-by-step explanation:



HOPE IT HELPS Y
Answer:
2.
Step-by-step explanation:
The first numbers in the ordered pairs are the x values;
Difference = 1 - 3 = -1
The absolute value is 2.
Answer:
166
Step-by-step explanation:
A=2(wl+hl+hw)=2·(4·5+7·5+7·4)=166