7 Days She Have earned over 500
6 days won't be enough since by then she still haven't reached 500
Answer: 1 is not a perfect square. 3 is the only prime number one less than a square.
Probability first song is country is 3/7
probability second song is reggae is 2/6 which reduces to 1/3
probability of both is : 3/7 * 1/3 = 3/21 which reduces to 1/7 <==
The answer is B because the x doesn’t repeat in that one.
7.71 feet is your answer.