Answer:
its 25
Step-by-step explanation:
35+120 =155
180 (the sum of a triangle) - 155 = 25
missing triangle equals= 25
to check= add the 3 triangles together, if the sum adds up to 180 its correct.
125+35+25= 180 √
Answer: im just going to guess 35 degrees
i
i =
i^2 = -1
i^3 = -i
i^4 = 1
(Make sure you know your exponent rules)
Answer:4x^3-2x^2+20x-10