a classic counting problem is to determine the number of different ways that the letters of can be arranged. find that number.

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?

Felipe is saving money for a class trip. he already has saved $ 2 5 0 $250 that he will put toward the trip. to save more money for the trip, felipe gets a job where each month he can add $ 3 5 0 $350 to his savings for the trip. let m m be the number of months that felipe has worked at his new job. if felipe needs to save $ 2 7 0 0 $2700 to go on the trip, which equation best models the situation?

What is it called when someone gets sick from eating food contaminated with germs or toxins? a. potentially hazardous food b. ptomaine poisoning c. foodborne illness d. raw food