The 3 angles need to equal 180 when added together:
A) 49 + 59 +72 = 180
The others do not equal 180
Answer:
Step-by-step explanation:
23 hundredths = 0.23 = 2.3 * 10⁻¹
Im not sure but u can search up the name and see online i would help if i could i hope the advise i gave helps just seach up if no one can help im so sorry i wanted to help but idk this stuff yet sorry
4 x³ - 8 x² - 12 x =
= 4 x ( x² - 2 x - 3 ) =
= 4 x ( x² - 3 x + x - 3 ) =
= 4 x ( x ( x - 3 ) + ( x - 3 ) ) =
= 4 x ( x - 3 ) ( x + 1 ) ( the factored form )
