What kind of sentence is this?

Please tell your brother it is time for dinner.

Group of answer choices

Imperative

Exclamatory

Declarative

Interrogative

Which of the following was discovered in the piedmont region of north carolina in 1799?

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures

Lots of points: economics: a rise in price sends a signal to producers to supply. a. reduce b. increase c. maintain d. stop