Answer: 530 cm^2
Step-by-step explanation:
A = 3.14 * r^2
A = 3.14 * 13 * 13
A = 3.14 * 169
A = 530 cm ^2
1.) multiply the US dollars by the exchange rate $213 x 80.76 = 17,201.88
2. )divide pesos by the exchange rate 158/11.69 = $13.5158 so (a) is the correct answer
So the answer is
$13.52
7X-4=6X-4-X
7X-6X+X=0
2X=0
X=0
Can you please write what the question is? I need to know what the category is to figure out which one does not belong.