Solve m+9=2
m=_
which statement shows the correct justification for the step used to solve the equation?
add 2 to each side.
add 9 to each side.
subtract 2 from each side.
subtract 9 from each side.

subtract 9 from each side

Step-by-step explanation:

The reason why,

m+9=2

-9 -9

m=-7

-7

Step-by-step explanation:

Move the 9 to the other side to collect like terms. It will change to -9 once it crosses the equal to sign. So it'll be 2-9=7

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,