Afriend is very nervous about an upcoming test. you suggest she

What is another way name for bd? cf, bd, cf, be

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?

Which of the answer is a characteristic of what osha calls "permit-required confined space? "