Answer:
Step-by-step explanation:
Rationalize the denominator of b. So, multiply the numerator and denominator by
Now, find a +b
Combine like terms
Now find (a + b)²
(a +b)² =
Hint:
Answer:
Since 60° is one sixth of the entire circle (360°) it means that the length of arc B is 1/6 th of the circumference.
1/6 * (12 * 2π) = 4π
The band has sold 1,890,000 copies or 1.89 x 10^6