Acircle has a radius of 5 inches. how many 5 in long pieces of string could wrap around the outside of this circle?

Can you me find the missing length. i attached an image.

What is always true about a positive integer raised to a negative odd power?

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.