If point a is at 10 and point b is at -10, what is the length of the segment ab?

Given that anna wants to spend less than $60 for the subscription and only full month subscriptions are offered, what is the maximum number of months that ana can subscribe

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.