51. I checked the comments but I still didn't understand it, sorry :/
54.
(43+45+47+49)=184
They are all odd and they are in consecutive order (one after another)
1/9-22/9-5/9
-21/9-5/9
-26/9
Answer:
2>x
y>-1
Step-by-step explanation:
assume y=0 when finding x and vice versa
(x-9) (x+2)=x²+2x-9x-18=x²-7x-18
Answer:
10/14, 15/21, and 20,28
Step-by-step explanation:
You just need to multiply a number on the numerator and the denominator. Remember, whatever you do to the numerator you have to do on your denominator.