Question 9 and 10

QUESTION 9 What single digit can we fill the blank with so that the statement is true? If there are multiple answers, enter them as a comma- separated list in numeric order just as you did in the weekly homework assignment. 381,1_4 is divisible by 9 QUESTION 10 A music teacher can arrange all of the chairs in the practice room into at least two rows with the same number of chairs in each row. There must be at least two chairs in each row. Which number of chairs can NOT be in the practice room? O 21 32 O 19 O 44 QUESTION 11 Summer and Daniel are cycling on a track. Summer completes one lap every 12 seconds, and Daniel completes one lap everv 21 Click Save and Submit to save and submit. Click Save All Answers to save all answers