The correct option is A.
A dual federalism refers to the system of government whereby the political power is divided between the federal and the state government in clearly defined terms.The state government typically exercise those powers given to it without interference from the federal government. Under this arrangement, the federal and the state government usually have disagreements.<span />
Convert to improper fraction (multiply whole number by denominator and add numerator, keep the denominator)
5 1/4 = 21/4
4 1/2 = 9/2
Multiply 9/2 by 2/2 to get the same denominator = 18/4
Subtract the numerators, keep the denominator.
21/4-18/4 = 3/4.
Generalizing from research, we can predict that the presence of others will INCREASE performance on well-learned tasks and DECREASE <span>performance on novel or challenging tasks.
in doing we're doing a well-learned task, our brain could complete it with less focus, so having the presence of others will give no trouble to our task.
But, in challenging tasks, our brain need more focus to complete it, so the presence of others will be more likely to cause nervousness that lead to a decrease in performance</span>
