For his exercise last weekend, Benito walked 5 miles and jogged 2 miles. What is the ratio of the miles walked to the total number of miles of exercise? A: 5 to 2 C: 5 : 7 B: 2 : 7 D: 7 to 5. Elsa chose A as the correct answer. How did she get that answer?

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.

What describes horizontal cross section of the right rectangle 6m 8m 5m

How would you find the height of points on the circle? the topic is trigonometry.