Please help asap need to be done now

Step-by-step explanation:

Perimeter = Circumference

Step 1. Know and recognize what you have

C = pi*d

pi = 3.142

d = 10

Step 2. Solve for the circumference of whole circle

C = 3.142*10

C = 31.42

Step 3. Solve for the questions answer

C of semicircle = 31.42/2

Hope this helped,

Kavitha

a negative exponent is translated as follows:

so, we have

probability for j is 1/4

while

a is 1/6