Determine the common difference for each arithmetic sequence 10.5, 13, 15.5, 18

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

9/10 divide by -3/15 as a mixed number