Answer :
(1) 
(2) 
(3) 
(4) 
(5) 
(6) 
Step-by-step explanation :
(1) The given expression is: 

(2) The given expression is: 

(3) The given expression is: 

(4) The given expression is: 

(5) The given expression is: 

(6) The given expression is: 

Answer:
Step-by-step explanation:
Answer: 30/45=6/9
30 6
___=___
45 a
cross multiply
30a=270
divide both sides by 30
a=9
5.Answer=A
2 1/5=2 2/10
2 2/10+1 1/10=3 3/10
______________
Answer=-1
3/-5+(-4/10)=
3/-5-0.4
-0.6-0.4=-1
Y=ab^2 + bx + c
That’s the equation