Asap george plans to cover his circular pool for the upcoming winter season. the pool has a diameter of 20 feet and extends 12 inches beyond the edge of the pool. a rope runs along the edge of the cover to secure it in place.

a.
what is the area of the pool cover?
b.
what is the length of the rope?

With this one. will mark brainliest

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?