Which of the following is true according to the graphic in regards to the spread of Islam?

Acriterion for waiving informed consent is that, when appropriate, subjects are provided additional pertinent information after the study. in which of the following studies would it not be appropriate to provide subjects with information about missing elements of consent: a study in which researchers told students that they would be given a quiz after reading some study materials when the researchers did not intend to use a quiz, but were attempting to focus subjects’ attention on the material.a study in which subjects were told that they performed in the third quartile on an anagram task when in reality students were randomly assigned scores that were not related to their actual performance.a study in which subjects were assigned to study activities based on an undesirable or unflattering physical characteristic as assessed by members of the research team.a study involving decision-making games in which subjects were led to believe that they were interacting with another student in another room, but were actually interacting with a computer programmed to provide consistent responses to all subjects.

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

Choose the best example of an indirect confrontation for the following situation: peter, a local school board member hired john whom owns a local print shop to make custom t-shirts for his son's basketball team, the ravens. they are about to play their final game of the year and are having a party to celebrate their semi-finalist rankings. unfortunately, the printer made a mistake and printed on red/blue shirts instead of black/blue which are the team's actual colors. peter explains to john that the team's colors are black/blue instead of red/blue and asks john what he thinks they should do. peter explains to john that the team's colors are black/blue and demands that john re-print the shirts on the correct colors. peter agrees to take the red/blue shirts but then posts a negative yelp review on john's business. peter agrees to take the red/blue shirts but tells everyone he can in the school about the incident and tells them not to buy from john. peter rejects the shirts and files a lawsuit to attempt to recover the down payment he made to john.