Answer:
162, sorry if this is wrong
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
you can see in the figure, the function decrease from -1 to +3
I think 7 bags do 31.5 m squared
There are different formulas for each different shape.
Answer:
As shown in picture, we have

Hope this helps!
:)
Explanation:
Let say right triangle ABC has A = 90 deg.
=> BC is hypotenuse.
=> BC = AC x BC/AC = AC/(AC/BC) =AC/cosC.
That's the way we've done!