Answer:
Step-by-step explanation:
x + 12 = y
x = y - 12
Write a literal equation for a.
18/a=7
Multiply both sides by a
18=7a
Then divide both sides by 7
18/7=a
Final answer: B
Step-by-step explanation:

Answer:
ME
Step-by-step explanation:
ILL FOLLOW U
Answer: Sammy
Step-by-step explanation: If Tom finished the 100 meter race in 12.54 seconds that means he would have been going at an average of 7.97 seconds and if Sammy is finishing a 100 meter race in 25.98 seconds he would have been going at an average of 3.84. Therefore Sammy is going at a faster average.
Hope this helps!