A mineral can be scratched by an iron nail. What can you conclude?

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?

Aresearch institute poll asked respondents if they felt vulnerable to identity theft. in the poll, n=1085 and x=528 who said “yes”. use 90% confidence level

+++30 points me in a society that favors economic equity over economic freedom, who would benefit? explain