Answer:
<h2>7a-12</h2>
Step-by-step explanation:

D a kilogram is 100000 bigger
Answer:
A = 78.5 cm^2
Step-by-step explanation:
The area of a circle is given by
A = pi r^2
We know r =5 and pi = 3.14
A = 3.14 (5^2)
A = 3.14 (25)
A = 78.5 cm^2
Answer: a= 187.5 m squared
Step-by-step explanation: a=ab/2