hello :
<span> (21)(7)(3x) = (21×7×3)(x) = 441x </span>
The first person who calculated pi was <span>Archimedes got really close however with the mathematics he had in his time he did not have decimal points nor could he use the number 0. So it has to latter once people recognize 0 as a number and the decimal point that we get what we have today. </span><span />
Answer:
66-18b
Step-by-step explanation:
-6+72-18b
66-18b
solving for b
b=3.66 or 3 and 2/3
Answer:
21.9
Step-by-step explanation: