Answer:
if arc CB is 135° Then m(<D) = 67.5
Arc m(<D)=5×67.5=337.5
337.5×2=675
7x³ + 9x² - 3x - 8
Step-by-step explanation:
4x³ + 6x² + 2x - 3 + 3x³ + 3x² - 5x - 5 ← collect like terms
= 7x³ + 9x² - 3x - 8
Answer:what site are you on?
Step-by-step explanation: can i have brain plz!
