Answer:
I think B and C are the only ones true
6(x+1)+48°=180°
6x+6+48=180
6x+54=180
6x=126
x=21°. Hope it help!
Answer:
Step-by-step explanation:
x - 3y
3 - 3(-2) = 3 + 6 = 9
Answer:
14 degrees
Step-by-step explanation:
Supplumentry angles add up to 180 degrees.
180 - 166 = 14 degrees
Answer:
8 + k² - 6 > 8(k + 2) - 4k when k = 7
Step-by-step explanation:
8 + k² - 6 = 8 + 7² - 6 = 51
8(k + 2) - 4k = 8(7 + 2) - 4(7) = 8(9) - 28 = 44
8 + k² - 6 > 8(k + 2) - 4k when k = 7
