Can some one help me

B

Step-by-step explanation:

If 5 is the radius, then we need to multiply by 2 to get the diameter.

10 is the diameter.

Multiply by pi to get your answer

10pi is 31.4.

B-31.4.

Hope this helped!

31.4yard long wire is needed.

perimeter of circle=2πr=2×22/7×5=31.4yard

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,