Mrs. o'leary hired jenna to sell her house in michigan. she executed a power of attorney in favor of jenna authorizing her to do "anything and everything associated with the sale of real estate, acting as a prudent person." on may 30, jenna finalized a deal with brandon for the purchase of the house. brandon and jenna signed the real estate contract that day. jenna learned the next day that mrs. o'leary had died may 29
a. the contract is void since the agency terminated may
29.b. the contract is valid since the agency’s purpose was achieved before jenna was notified of mrs. o'leary's death.
c. the contract is voidable at the option of mrs. o'leary's estate.
d. the contract is voidable at the option of brandon.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period.the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided.a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs.an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.