Answer:
C.
Step-by-step explanation:
The eqn. of a circle with centre (h,k)and radius ris given by,
Let n be the number 18=60% of n
18=0.6n
18/0.6=n
30=n
Answer:


Step-by-step explanation:


Subtract 7 from both sides.

Simplify.

Divide both sides by 5.

Simplify.

Decimal form:
0.2
Answer:
5: 60
6: 30
Step-by-step explanation:
just a matter of multiplying all the possible values
5: 5 pants X 4 shirts X 3 shoes
6: 10 numbers (0-9) X 3 variations (right, left, right,)