9y+y=10y because 9y's plus one y equals 10 y's! Hope this helps!
The answer is -7
I hope this helps
Answer:
314.16 in²
Step-by-step explanation:
If the diameter is 20", then the radius is 10" (1/2 the diameter).
Area of a circle is ²
So, π 10² = 100π = 314.16 in²
The estimate to 4 x 979 is 4 x 1,000. The answer is 3,916
Answer: B 2x
1/2x-3+3/2x+3