I do believe it is 12 as well considering the fact that it's negative three and not positive. If it was a positive three then maybe it would be 18.
Answer:
She is 12 feet abouv ground.
Step-by-step explanation:
X^2-9=0 add 9 to both sides
x^2=9 take the square root of both sides
x=±3
Answer:
j + 47 = 53
Step-by-step explanation:
Answer:
0,1,2,3,4,5
Step-by-step explanation:
You can not buy more than 5 books because you'd have a negative amount of money. So 0,1,2,3,4,5 are the possible values for b.