Answer:
Step-by-step explanation:
6: A,?
7: D,
9: A,
10: C?
Answer:

Step-by-step explanation:
This arithmetic sequence begins with 19, and for each consecutive value it subtracts 5. Therefore, the rule for this is:

Hope this helps!
Answer:
answer is -9
Step-by-step explanation:
5(x+1)=4(x-1)x
5x+5=4x-4+x
5x+5=4x+x-4
5x+5=5x-4
5x-5x=-4-5
x=-9
Answer:
it would take him 63.55.minutes or 1 hour 3 minutes so it would take him a about to a bit more than an hour