If possible, find the missing side length labeled with a question mark. If not possible, explain why. please answer !

Which statement justifies why angle ebc measures 90?

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

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