Answer:
-7
Step-by-step explanation:
You divide -3 on both sides to get the variable by itself, so -3 divided by 21 is -7
5836200 because it's rounded
For number 6 it's 30 x 45
Answer:
2.76
Step-by-step explanation:
smort
In a direct proportion, the equation can be set up as
y = kx
k = y/x
k = 6/20
k = 0.3
