Find the missing side of the right triangle. Round to the nearest 10th if necessary: Missing side length = m
7m
10m

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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. how many hours after the truck's departure will the two meet?

Find the distance between c and d on the number line c=3 and d=11