Answer:
63
Step-by-step explanation:
9x7=(10x7)-1x(7)
=70-7
=63
Answer:
-7/2
Step-by-step explanation:
The slope of a line can be defined as:
, which can be more formally calculated as:
, where it's essentially the same thing, except the rise/run is being calculated with two points (which you already need)
So let's just say: 
Plugging the values into the equation we get: 
You can also just look at the graph and see that from point 1 to point 2, it "rised" -7 units, and "ran" 2 units.
Notice how the "rise" is negative? That just means it went down.
72 days and 10 weeks ( 10.2857 I just rounded)
Answer:
F
Step-by-step explanation:
if t is the total acreage and its reduced by 8%, then t -0.08