Answer:
Choice C is correct
Step-by-step explanation:
The first step is to re-write the equations in exponential form.
The first equation can be written as;
since the base is 10 and 4 the exponent.
The second equation can be written as;

The second step is to make N the subject of the formula in both equations.
Solving for N from this equation
, yields;

Solving for N from the second equation
, yields;

Therefore;

Answer:

Step-by-step explanation:
im pretty sure its this smack me if im wrong
Area = Length x Width
so, 88 = (something) x 8
Can you work out the something using mental math?
Answer:
25% of 140 is 35
Step-by-step explanation:
that's the answer for #3