Answer:
-11x^2+9x
Step-by-step explanation: I am assuming you want to simply the problem so I did it for you!
Answer:
then her brother would be 12 years old
4.3 x 10 to the power of 2
Answer:
The answer is $420 dollars
Step-by-step explanation:
you times 560 by 25%
that comes to a total of 140/
Ms. Dawson's class raised 25 percent more so you would have to subtract 140 from 560
560-140=420
420 is how much Mr. Casey's class raised