Answer:

Step-by-step explanation:
Since -3xy and negative 4xy are like terms, subtract 4xy from -3xy to get -7xy
-7xy is your answer
±1,±2,±3,±4,±6,±8,±12,±24
...........................
Answer:
152 degrees
Step-by-step explanation:
CF is a straight line, which means it equals 180 degrees. But FXE is an angle of 28 degrees so you subtract 180 from 28 to get 152 degrees.
I hope this helps you
parallelogram area= base×height
area= 10×12
area = 120