I'm guessing a pentagon but I could be wrong
Answer:
Step-by-step explanation: one angle is 6x + 9 also equals to 9x -30
9x - 30 = 6x + 9
3x = 39, x = 13
Angle is 6×13+9 = 87
Answer:
4x^2+3x-6
Step-by-step explanation:
The set of integers greater than 50 are (51,52,53,54...)
