Answer:
She got an equally good deal both times
Step-by-step explanation:
can be simplified to make 
can be simplified to make
they are the same
Answer:
A. x<31 and x > -5
Step-by-step explanation:
| X-13 |< 18
Seperate into 2 equations, one positive and one negative, remembering to flip the inequality for the negative
x-13 < 18 and x -13 > -18
Add 13 to each side
x-13+13 < 18+13 and x-13+13> -18+13
x < 31 and x>-5
45 90
/ \ / \
5 9 45 2
/ \ / \
3 3 5 9
5x3x3 / \
3 3
2x5x3x3
She spent 17 hours tutoring
$210 = 7 hours
$20 x 10 hours = $200
$210 + $200 = $410
7 Hours + 10 Hours = 17 Hours
C., because 60 is half of 120, and 12% is half of 24%
hope it is right
