To factor polynomials, find a common number to remove and leave the rest in parentheses. I did the odds, now you try the evens. If you still need help,, let me know.
1. 3 (x+4)
3. 5 (x+6y)
5. 3(2 a^2 + 9)
7. 3d (7c -1)
9. 15a (ab - 2b)
Put them in order of least to greatest and then cross out them till you get the middle number. 81,83,91,94. answer is 91.
Answer:
Step-by-step explanation:
First you have to set up the equation:
The statement says three tickets in Japan plus two tickets in Switzerland cost 89.59
You can set up the first equation this way:

Next similarly the second equation will be:

And you solve the sistem of two equations.
Answer:
115-49=x
x= 66°
Step-by-step explanation: