D is the answer because all you have to do is solve
The principal amount is 
<u>SOLUTION:
</u>
Given that, simple interest 
; 
after 3 years
We have to find the principal.
Now, let the principal amount be p.
Then, 
Now, we know that, Balance = Principal amount + Simple Interest
Answer:
A. 50.24
Step-by-step explanation:
C=2πr=2·π·8=50.24
Answer:
153 cm²
Step-by-step explanation:
The area is given by the formula ...
A = (1/2)bh
where b is the base length, and h is the height measured perpendicular to the base.
The diagram shows b = QR = 18 cm, and h = 17 cm. So, the area is ...
A = (1/2)(18 cm)(17 cm)
A = 153 cm²
