How do to soving problems in math what is a trick

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

The function models the number of accidents per 50 million miles driven as a function

Olive's solar powered scooter travels at a rate of 30 miles per hour. what equation can she use to calculate her distance with relation to the time she traveled? h=hours m=miles 1. h=m+30 2. m=30h 3. m=h+30 4. h=30m