Mrs. Adams bought cans of pears and cans of mixed fruit. • She bought a total of 7 cans at a cost of $21.50.
• Each can of pears cost $3. 20, and each can of mixed ruit cost $2.90
How many cans of mixed fruit did Mrs. Adams purchase?

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?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.