two groups of students were tested to compare their speed working math problems. each group was given the same problems. One group used calculators and the other group computed without calculators. What is the (If, then, because)hypothesis?

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them