First: figure out how much she added during all 7 weeks
7*25=175
Then add the amount she started with
175+50=225
She had $225 at the end of the 7 weeks
Answer:
720cm^2
Step-by-step explanation:
i dont think this is right answer
= -21.6x + 168
Combine Like Terms
13x -34.6x + 168
13x + - 34.6x + 168
(13x+ -34.6x) + 168
-21.6x + 168
f−1(x)=√x+123,−√x+123