Achild who can understand adding and subtracting by using blocks, but cannot think logically about these abstract concepts when done with numbers on paper, is probably in the " " stage a. formal operations b. sensorimotor c. preoperational d. concrete operations

Adefendant visited her doctor to seek treatment for a bullet wound. while he was treating the wound, the doctor asked the defendant how she was shot. the defendant replied that she was struck by a police officer’s bullet while running away from a jewelry store she had robbed, but she implored the doctor not to tell this to anyone. the doctor promised that he would not. although the defendant was never charged by the police, the owner of the jewelry store brought suit against her seeking the value of the stolen goods. the defendant denied robbing the store. at the trial, the owner calls the doctor to testify to the statement made to him by the defendant. the defense attorney objects on the ground that such testimony is barred by the jurisdiction’s physician-patient privilege. should the objection be sustained?

Why would be a good national slogan that people could identify with and rally behind

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.