Answer:
-4n^4-4n^2-8n+3
Step-by-step explanation:
you combine the like terms
Answer:
K=27
Step-by-step explanation:
the answer is 27
Answer:
b
a=1
Step-by-step explanation:
Answer:
254 cm²
Step-by-step explanation:
Calculate first the total area
A = 30*20 = 600 cm²
Then calculate the area of the cercle
A= 10.5²*π = 346.36≈346 cm²
Then substract the area of the circle from the total one:
600-346= 254 cm²