835/ 10 is 83.5
So his average rate of change is 83.5 miles per hour
Answer:
$5.30
Step-by-step explanation:
23.85/9=$2.65
2.65*2=$5.30
Well to find the GCF you need to multiply the numbers that they give you until you find a number that they all have in common. Then for the LCM you do almost the same thing expect your looking for the least common multiple.