Yes, because the mixed numbers could be a negative number like -1 1/2 plus -2 1/2 which would be -4 and -4 is less than one.
Answer:
y = 5
x = 10
Step-by-step explanation:
-4(2y) + 11y
-8y + 11y = 15
3y = 15
/ 3 /3
y = 5
x = 10
None because 90 + 45 + 50 = 185 and triangles cannot exceed the measurement of 180°
Hope this helps
