Answer:
The Universe is thought to consist of three types of substance: normal matter, 'dark matter' and 'dark energy'. Normal matter consists of the atoms that make up stars, planets, human beings and every other visible object in the Universe.
Step-by-step explanation:
Answer:
i= -6
Step-by-step explanation:
-5i-15=15
if we use inverse operation here, it would be -5i=30, so i= -6
Answer:
Slope: 
Y-intercept: (0,4)
Step-by-step explanation:
Put the equation into y = mx + b form, which is y = +4. Then create a table.
X: -2, -1, 0, 1, 2
Y: 3, 
, 4, 
, 5
Answer:
all work is shown and pictured
1 meter=1,000 millimeters
18 meters=18,000 millimeters
