Ahmad runs 6 miles in 45 minutes. at the same rate, how many minutes would he take to run 4 miles?

For an experiment, a penny is tossed. at the same time, a spinner with 8 congruent sections numbered 1–8 is spun. how many possible outcomes are there for the experiment?

9/10 divide by -3/15 as a mixed number

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin