Answer:
B. x = 53 degrees.
Step-by-step explanation:
The external angles of all polygons add up to 360 degrees, so:
x + 120 + 90+ 97 = 360
x = 360 - 90 - 120 - 97
x = 53 degrees.
Answer: 4x^3 + x + 1
Step-by-step explanation: Combine like terms.
Hope this helps! :) ~Zane
Answer:
it decreases
Step-by-step explanation:
no se pero de seguro alguien más te ayudará
