he principle of redundancy is used when system reliability is improved through redundant or backup components. Assume that a student's alarm clock has a 14.5% daily failure rate.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Can someone answer this question for me