Please HELP! Ill give brainlist Select the correct answer from each drop-down menu.

Trade-offs play a larger role in a economy because trade-offs involve a business owner making decisions in order to maximize profits. In a economy, that decision is predetermined by the government.

What is another name for the spanish navy in 1588? a) spanish royal fleet b) spanish armada c) spanish yacht crew d) spanish tall ships

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is:

Martha participates in a research study in order to receive extra credit for her psychology class. when she arrives in the research office she is given a can of what looks and tastes like beer, but which actually contains no alcohol. in the adjoining room martha's classmate karen is also participating in the study. karen receives a can of alcoholic beer. if the experiment was designed to test the effects of alcohol on concentration, then who is exposed to the independent variable?