Answer:
Step-by-step explanation:
12 inches is in a foot
10 x 7= 70
2 x 7= 14
70+14=84
Answer:
7 ÷ (a - 6)
Step-by-step explanation:
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:
$638.4
Step-by-step explanation:
19% of 1120 = 212.8
212.8 x 3 = 638.4
The circumference would be 6 inches because you do 3 times 2