Answer:
49x^4-42x^2 y+9y^2
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Answer:
Find the area of the circle then divide by two
Step-by-step explanation:
The variable is b, the coefinet is 1/3
remember
ab-ac=a(b-c)
1/3b-1/3=1/3(b-1)
there, factored