Answer:
100
Step-by-step explanation:
cut the figure into 2 sides and multiply 8x5 then once you have cut it in half its not 10x12 it is 5x12 you get 40 and 60 then add together to get 100
Answer:
yes
Step-by-step explanation:
Distributive property because if you divide -5.2+(-8.4) by -1, you get -(5.2+8.4)
Answer:
option 4
Step-by-step explanation:
(f*g)(x) =(x² + x+ 1)*(x² - x -1)
= x²*(x² - x -1) + x(x² - x -1) + 1*( x² - x -1)
= x²*x² - x²*x -x²*1 + x*x² - x*x -x*1 + x² - x -1
= x⁴ - x³ - x² +x³ - x² - x + x² - x -1
= x⁴ - x³ + x³ - x² - x² + x² - x - x - 1
= x⁴ - x² - 2x - 1
