This is timed please help

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

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false