The first one is 2x^2+2x-2
the second one is 2x^2-2x-2
the third one is 6h+6k
Answer:
y=17/5 ,x= 38
Step-by-step explanation:
-4+5y =13 add 4 both side
4-4+5y=13+4
5y=17
5y/5=17/5 y=17/5
x-5y=21
x-5(17/5)=21
x-17=21
x=21+17= 38
Your answer would be 248 i hope this helps and please mark me as brainliest :)