Please help! Due tomorrow! Giving 20 points! Explain why the area of a circle with a radius of r is 4 times the area of a quarter circle with radius r, but the circumference of a circle with radius r is less than 4 times the circumference of a quarter circle with radius r. Please help :(

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

If you answer 2+2 you will get over 80 points