Answer:
1:3
Step-by-step explanation:
4:12 divides by 4 to give
1 : 3
Answer: 40k⁶-15k⁴
Step-by-step explanation:

Answer:
-16
Step-by-step explanation:
1 - 8 - 9 = - 16
<span>d = 20 inches
r = d/2 = 20/2 = 10 inches
Area = πr^2
= 22/7 * 10^2 inch^2
= 2200/7 inch^2
= 314.2 inch^2
Therefore, Answer is B. 314.2 in^2 Ans</span>
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