The formula for the slope is 



Hope this helps.
頑張って!
The example of a right angle is that it's exactly 90°, the acute angle is less than 90°, and the obtuse angle is more than 90° but less than 180°.
4/9 times 4/9 is 16/81.
To make 4/9 of a recipe, 16/81 cups of granola needed.
Step-by-step explanation:
Hey there!
The amount deposited= $1800
And it's just 20% of total monthly amount.
Let total amount be "x".
Then;
$1800 = 20% of X

or, 180000= 20x
or, X = 180000=/20
Therefore, total monthly amount or income was $9000.
<u>Hope </u><u>it </u><u>helps!</u>