Brianna reported a measurement in units of hertz. What property of a wave was she measuring? A. period
B. frequency
C. amplitude
D. wavelength

Which line from act i scene i of a midsummer night's dream expresses one of the main themes of the play? a.) “thrice-blessed they that master so their blood," b.) “but earthlier happy is the rose distill'd," c.) “the course of true love never did run smooth; " d.) “so quick bright things come to confusion."