Answer:

Step-by-step explanation:
General equations are in the form 
So you can add 6 to both sides to make:

Step-by-step explanation:
Parallelogram
Reflect y=-1 ;x changes sign
Answer:
4 and 132
Step-by-step explanation:
4 x 33 = 132
the numbers 4 and 132 have nothing to do with 9, no matter what way you look at them
i hope this helps :)
For the average to be 90,
(99 + 93 + x) / 3 = 90
or 192 + x = 270
or x = 270 - 192 = 78
Jim must score at least 78 in the third test.