Answer:
I think -24 for the hourly change
Step-by-step explanation:
10-24= -14
Answer:
P (not drawing a black marble) = 4/5
P (red marble) = 3/10
Step-by-step explanation:
The total number of marbles is
5 blue marbles +2 black marbles+ 3 red marbles = 10 marbles
P (not drawing a black marble) =
The marbles that are not black/ total marbles
(blue + red)/ total
(5+3)/10
8/10
4/5
P (red marble) = red marble/ total
= 3/10
When you write the equation of a circle in the form

Then the center of the circle has coordinates
and the radius is 
So, in your case, the center of the circle is 
Answer:
10 miles per minute
Step-by-step explanation:
distance = speed x time
but we are working out the speed, so it is speed = distance/ time
it takes 12 minutes, so we do 120/ 12 which gives us 10