What is the approximate area of a circle with a radius of 10.4 centimeters. use 3.14.?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?