BRAINLIEST FOR WHOEVER ANSWERS RIGHT FIRST For lunch, Helen has 3 kinds of sandwiches to choose from and 4 different flavors of chips. How many different lunches can she make?

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?

How many triangles can be drawn with side lengths 4 centimeters, 4.5 centimeters, and 9 centimeters? explain

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me