Marcello plans to join the local gym that just opened and is running a special. the initiation fee is $40 plus $20 per month. let m represent the number of months in relation to the total cost to join the gym

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

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.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.