Answer:
-11
Step-by-step explanation:
That box means 90degrees so you put them equal to each other 90 = 15X
90/15 = 6
So x = 6
The function is:

Now to put in the form Ax+By=c we hace to let the number that don't have x ot y in the left side of the equation anthe the rest of the term in the right side of the equation:

where:
Answer:
A) -56
Step-by-step explanation:
B) First, you have to ignore the plus sign, and recognize that the second negative number means you are subtracting that number.
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