Answer:
Step-by-step explanation:
√250 - √490
= 5√10 - 7√10
= -2√10
Answer:Team C
Step-by-step explanation: By looking at the graph i can tell that team c has more dots on the larger side of the line.
c
_6x -9y =15
_6x÷3=-2x
9y÷3=3y
15÷3=5
so,_2x -3y =5