Ahiker started her hike at 0.2 mi below sea level. at the end of her hike, she was 1.4 mi above sea level.
what vertical distance did she hike?

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

Can someone me find the original price? the discount is 5% and the sale price is $68.40

A+b= 17, ab=70, find the value of |a-b|