Students have ___
minutes to complete the Aspine science test

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?

Certification programs are offered by all of the following except

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force