Write a ratio equivalent to 30/45 that has lower terms.(which one is right, ! )
a. 6/15 d.45/39
b.31/46 e.10/9
c.10/15 f.29/44

Anyone know? is appreciated! will mark brainliest if correct!

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles