mariana is 10 years old and has grown 7 inches in 2 years. when she was 8 years old, she was 52 inches tall. Mariana writes and graphs a function that models her height in inches over time and years. what is the slope for this function.

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.