How do you get 23 using 4 fours?

What radius and diameter Mercury has? What does the 6 in 32.60 round up to? How is 0.3 times 0.7 0.21? How much amount of 1K? What number is associated with feces? How much would 50 1957 A silver certificates in consecutive order be worth? How do you Round 6.82 to the nearest 10th? What is 341 divided by 40? What percent is 330 of 600? What is one on one correspondence? How do you get to 4'11 in height when your 5 feet? How many yards is in 315 meters? What is the equivalent fraction or decimal for 1.4? Is there another passtime code besides 999999? How do you convert quarts per minute to gallons per hour? What is 1.14 as a fraction? What is the experimental probability that a piece of paper randomly drawn from the bowl will have the number 35 written on it? How do you solve 10- bracket 3y plus 2 bracket equals 2? What is 33 over 5 converted back to a mixed numeral? How many times does 16 into 40?