Please help me with this I will give brainliest please answer it right (Look at the second picture first)

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

How can writing phrases as algebraic expressions you solve problems?