Answer:
(-7, 8)
Step-by-step explanation:
(-7 , 8)
Answer:

Step-by-step explanation:
It is given that,
The average distance between the Earth and the Moon is 384 400 km.
We need to express in in standard form.
1 km = 1000 m
It means,
384400 km = 384400000 km
or
= 
Hence, the average distance between the Earth and the Moon is
.
Answer:
Step-by-step explanation:
All the angels of a triangle always add up to 180
(2x-15)+(x+43)+x = 180
Multiple the numbers inside the parentheses first
-30x+43x+x = 180
Add common terms
14x = 180
Divide by 14 to get the variable by itself
x ≈ 12.86