Answer:
Step-by-step explanation:
1.) 6C4= 15
2.) (1C1)*(6C3)= 20
3.) (2C2)*(6C2)= 15
Answer:
last one
Step-by-step explanation:
anything with a ^2 is squared and ^3 is cubed
15% = 0.15
15% of 71.85 is equal 0.15*71.85 ≈ 10.78
This is the sum of cubes which factors to:
(x+2)(x^2-2x+4)
