A radio bought for $60 and marked to give a profit of 30% was reduced in sale by 12%. What is the final sale price​

The price would be $78 marked up minus $9.36 (discount) gives a final total of $68.64

Permafrost is a thick layer of soil frozen throughout the year. two words to create permafrost would be permanent ice.

According to my researches, the statement   "the factual information allows you to judge how credible the analysis in the source is." is not true. a factual information does not judge any credible analysis because it shows facts that are generally known by everyone.