Answer:
1.2
Step-by-step explanation:
First, you cancel out
to become 
Then that becomes 
Now, you convert the element to a decimal form to be 
Finally, you subtract them (because a negative plus a positive is subtraction) to get the final answer of 1.2
Hope this helps!
I think the answer is 700 as 700*10=7,000.
You don't need to regroup when adding a two-digit number with a number.
Answer:
19.625
Step-by-step explanation:
If the square's diagonal is 5 and the circle is inscribed in it, that means that the radius is 2.5
2.5^2*3.14
=19.625
3 cm because the radius is 1.5 cm and the diameter is the radius times 2