Keely is a business management consultant giving a presentation to a group of mid- and upper-level managers at a large international company. she begins her presentation by saying, "good morning. my name is keely king, and i want to you for inviting me here today to speak to you." by saying this, keely:

a) introduces her topic in an accessible way.
b) makes a personal connection with the members of the audience.
c) incorporates audience participation into the presentation.
d) provides a topic summary that her audience can take with them.
e) uses the indirect order to ease her audience into her topic.

In terms of the "great wheel of science", statistics are central to the research process (a) only between the hypothesis phase and the observation phase (b) only between the observation phase and the empirical generalization phase (c) only between the theory phase and the hypothesis phase (d) only between the empirical generalization phase and the theory phase

As a result of a labeling mistake at the chemical factory, a farmer accidentally sprays weedkiller rather than fertilizer on half her land. as a result, she loses half of her productive farmland. if the property of diminishing returns applies to all factors of production, she should expect to seea. a decrease in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. b. an increase in the marginal productivity of her remaining land and an increase in the marginal productivity of her labor. c. an increase in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor. d. a decrease in the marginal productivity of her remaining land and a decrease in the marginal productivity of her labor.

How do you know if two line segments are perpendicular?