What does the term "breathing rate" mean?
a. the number of breaths taken during a specific period of time.
b. the amount of air that is inhaled into the lungs with each breath.
c. the amount of oxygen traveling in the body during exercise.
d. the change in breathing that occurs as a result of exercise.

Janine studies to improve her math skills

Read the following excerpt from the play a raisin in the sun by lorraine hansberry: johnson (this usa woman who decided long ago to be enthusiastic about everything in life and she is inclined to wave her wrist vigorously at the heigh of her exclamatory comments.): hello there, yourself! h’you this evening, ruth? which assumption about johnson is most likely true based on the stage direction? a. her enthusiasm is used to mask her fear of public places

Which graphical source would best show the average voting age of americans, organized by income? a. schematics b. infographic c. map d. chart