Answer:

Step-by-step explanation:
The formula to find the area of a circle is

Let pi be (3.14), the radios as given in the question is (0.9). Therefore;

Answer:
No
Step-by-step explanation:
3x-5= 4+2x
Or, x=4+5
x=9
3/4 of the lot is 3/4*100=75 yards long. This is 75*3=225 feet.
Answer:
The number is 8
Step-by-step explanation:
<em>2x +5 =21 </em>
2x= 21-5
2x=16
2x/2=16/2
x=8
To check
8×2=16
16+5=21