Awoman has 19 coins in her pocket, all of which are dimes and quarters. if the total value of the coins is $ 3.55, how many dimes and how many quarters does she have? your answer is: number of dimes equals number of quarters equals

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

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?