Answer:
-b=11
Step-by-step explanation:
Nothing else is equal to a number except its self
11c-4c = 7c
5c+2c= 7c
3c+7c= 10c
11c-4c= 5c+2c =A
Answer:
The answer would be 1.33 x 
Step-by-step
1.28 x
= 12800
5 x
= 500
12800 + 500 = 13300
13300 = 1.33 x
in scientific notation
Hope this helps:)
Sorry, I got the wrong answer earlier but I fixed it:)
Answer:
1:3
Step-by-step explanation:
The required ratio will be ,
7:21
= 1 :3
Answer:
y=-5/2x+3
Step-by-step explanation: