Answer:
It should be obtuse.
Step-by-step explanation: if i'm not mistaken it has to be obtuse. sorry i'm still learning i'm a beginner but, i'm volunteering to help everyone anyways because i'm a very nice person.
The 4 in 42,672 is 40,000
And the 4 in 37,426 is 400
The answer is 100
Rearranging y + 15 = 3x we have
3x - y = 15
so its none of them