Ok so, Since Kelli and her family drove a total of 293 miles in 7 hours, then your equation should be
Now, since you have your ratio you divide 293 by 7 in order to get how many miles were driven in one hour

= 41.85714286 miles/hr
I just realized I forgot a whole unit we did this year, but a(n)=5n-12
is the explicit form if that helps at all
Answer:90
Step-by-step explanation:
10,20,30,40,50,60,70,80,90,100
Counting in tens the same row as 83 is 90 .
1 is the number which is the answer