Answer:
The answer would be D, 0 < x < 4
Step-by-step explanation:
Because Domian is left to right of a function, so left to right would be 0 to 4
Answer:
She can buy 6
Step-by-step explanation:
4=36
1=9
54/9=6
Answer:
He is 20 at oldest, or 
Step-by-step explanation:
The first step in finding a possible age is:
Subtract 10 from 51, and you get 41. Divide by 2, and you get about 20.5.
This means Joe is younger than or 20 years old.
Are you sure the options are what u have written above? because sqrt of 5x=sqrt of 5x,
sqrt of 20x=2•sqrt of 5x,and sqrt of 80x= 4•sqrt of 5x..
Answer: 4=-2x -1 and y=-1 2x