Answer:
Option D doesn't make any sense.
Step-by-step explanation:
D) 7 hours of sleep correspond to an age of 19 years.
That is wrong.
If we use the expression provided
hours = 8 + 0.5*(18 -age)
hours = 8 + 0.5*(18 -19)
hours = 8 + 0.5*(-1)
hours = 7.5
Answer:

Step-by-step explanation:
Every integer is a rational number.
So George did't put parentheses around total snack amount to subtract his $15.He would need the total purchases to subtract amount by $15.
27 thousand 27,000
3 hundred 300
5 ones 5
27,305 x 10= 273,050
Please let me know if you have any questions id be happy to explain in more detail