D.15 because 15 divided by 5 is 3 and 3+7 is equal to 10. Hope that helped
Answer:


Step-by-step explanation:
4x - 3y = 1
x + 3y = 0
Req To Solve With Elimination:
Make Them Equal:
-> 4x - 3y = 1
-> 4x + 4 . 3y = 0
Simplify:
-> 4x - 3y = 1
-> 4x + 12y = 0
-> 4x - 4x - 3y - 12y = 1
-> -3y - 12y = 1
-> -15y = 1
-> 
-> 
-> 
-> 
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The answer is .29 if you didn't know yet..
Answer:
I think it's an obtuse scalene.
Step-by-step explanation: