Answer:
86
Step-by-step explanation:
Answer:
the first three are the answer
Step-by-step explanation:
2 (6) - 3 (-3) , 12 - -9 , 12 + 9 , 21
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:
it would be something along the lines of. 5+25d =c