Answer:
C
Step-by-step explanation:
since first equation is 4 times the second equation
Answer:
(-4,-1)
Step-by-step explanation:
-3x+10y=2
-3x+3y=9
-3x=2-10y
-3x=9-3y
2-10y=9-3y
2-9=10y-3y
7y=-7
y=-1
-3x+3(-1)=9
-3x-3=9
-3x=12
x=-4
Answer:yes
Step-by-step explanation:
Answer:
5)
8, 6, 4, 2= 67°
5,7,1,3= 113°
6) not sure about this one!
Answer:
The answer is 9
Step-by-step explanation:
take 4 to the other hand it become -4
r=13-4=9
